diff --git a/app/api/session.py b/app/api/session.py
index c5031b1..0178e38 100644
--- a/app/api/session.py
+++ b/app/api/session.py
@@ -27,6 +27,11 @@ class SelectedFilesReorderRequest(BaseModel):
 class SessionSettingsRequest(BaseModel):
     set_file_date_to_first_aired_date: bool | None = None
     default_media_root_path: str | None = None
+    remember_max_series: int | None = Field(default=None, ge=1, le=100)
+
+
+class RememberedSeriesUpsertRequest(BaseModel):
+    item: dict = Field(default_factory=dict)
 
 
 def _normalize_session_id(session_id: str) -> str:
@@ -160,6 +165,30 @@ def put_session_settings(payload: SessionSettingsRequest):
     return {"settings": settings}
 
 
+@router.get("/remembered-series")
+def get_remembered_series():
+    service = SessionService()
+    items = service.list_remembered_series()
+    return {"items": items}
+
+
+@router.post("/remembered-series")
+def post_remembered_series(payload: RememberedSeriesUpsertRequest):
+    service = SessionService()
+    try:
+        items = service.remember_series(payload.item)
+    except ValueError as exc:
+        raise HTTPException(status_code=400, detail=str(exc))
+    return {"items": items}
+
+
+@router.delete("/remembered-series")
+def delete_remembered_series():
+    service = SessionService()
+    service.clear_remembered_series()
+    return {"items": []}
+
+
 @router.get("/mapping-preview")
 def get_mapping_preview(session_id: str = Query("default", min_length=1)):
     service = SessionService()
diff --git a/app/services/session_service.py b/app/services/session_service.py
index e2f46de..07126cb 100644
--- a/app/services/session_service.py
+++ b/app/services/session_service.py
@@ -12,7 +12,9 @@ from app.config import APP_DATA_DIR
 class SessionService:
     FILE_DATE_SETTING_KEY = "set_file_date_to_first_aired_date"
     DEFAULT_ROOT_SETTING_KEY = "default_media_root_path"
+    REMEMBER_MAX_SERIES_KEY = "remember_max_series"
     MAX_FILENAME_LEN = 220
+    DEFAULT_REMEMBER_MAX_SERIES = 10
 
     def __init__(self) -> None:
         self._db_path = Path(APP_DATA_DIR) / "session_state.sqlite3"
@@ -123,6 +125,21 @@ class SessionService:
                 )
                 """
             )
+            conn.execute(
+                """
+                CREATE TABLE IF NOT EXISTS remembered_series (
+                    series_id TEXT PRIMARY KEY,
+                    payload_json TEXT NOT NULL,
+                    last_selected_at TEXT NOT NULL
+                )
+                """
+            )
+            conn.execute(
+                """
+                CREATE INDEX IF NOT EXISTS idx_remembered_series_last_selected
+                ON remembered_series(last_selected_at DESC)
+                """
+            )
 
     def get_settings(self) -> dict:
         with self._connect() as conn:
@@ -134,16 +151,27 @@ class SessionService:
             ).fetchall()
 
         values = {str(row["key"]): str(row["value"]) for row in rows}
+        remember_max_raw = values.get(self.REMEMBER_MAX_SERIES_KEY, str(self.DEFAULT_REMEMBER_MAX_SERIES))
+        try:
+            remember_max = int(remember_max_raw)
+        except ValueError:
+            remember_max = self.DEFAULT_REMEMBER_MAX_SERIES
+        remember_max = max(1, min(100, remember_max))
         return {
             self.FILE_DATE_SETTING_KEY: values.get(self.FILE_DATE_SETTING_KEY, "0") == "1",
             self.DEFAULT_ROOT_SETTING_KEY: values.get(self.DEFAULT_ROOT_SETTING_KEY) or None,
+            self.REMEMBER_MAX_SERIES_KEY: remember_max,
         }
 
     def update_settings(self, settings: dict) -> dict:
         updated_at = datetime.now(timezone.utc).isoformat()
         current = self.get_settings()
 
-        allowed_keys = {self.FILE_DATE_SETTING_KEY, self.DEFAULT_ROOT_SETTING_KEY}
+        allowed_keys = {
+            self.FILE_DATE_SETTING_KEY,
+            self.DEFAULT_ROOT_SETTING_KEY,
+            self.REMEMBER_MAX_SERIES_KEY,
+        }
         unknown_keys = [key for key in settings.keys() if key not in allowed_keys]
         if unknown_keys:
             raise ValueError(f"unknown setting key: {unknown_keys[0]}")
@@ -160,6 +188,12 @@ class SessionService:
             raise ValueError(f"{self.DEFAULT_ROOT_SETTING_KEY} must be string or null")
         default_root_path = (default_root_path or "").strip() or None
 
+        remember_max_value = merged.get(self.REMEMBER_MAX_SERIES_KEY, self.DEFAULT_REMEMBER_MAX_SERIES)
+        if not isinstance(remember_max_value, int):
+            raise ValueError(f"{self.REMEMBER_MAX_SERIES_KEY} must be integer")
+        if remember_max_value < 1 or remember_max_value > 100:
+            raise ValueError(f"{self.REMEMBER_MAX_SERIES_KEY} must be between 1 and 100")
+
         with self._connect() as conn:
             conn.execute(
                 """
@@ -181,9 +215,92 @@ class SessionService:
                 """,
                 (self.DEFAULT_ROOT_SETTING_KEY, default_root_path or "", updated_at),
             )
+            conn.execute(
+                """
+                INSERT INTO app_settings (key, value, updated_at)
+                VALUES (?, ?, ?)
+                ON CONFLICT(key) DO UPDATE SET
+                    value = excluded.value,
+                    updated_at = excluded.updated_at
+                """,
+                (self.REMEMBER_MAX_SERIES_KEY, str(remember_max_value), updated_at),
+            )
+
+        self._enforce_remembered_series_limit(remember_max_value)
 
         return self.get_settings()
 
+    def list_remembered_series(self) -> list[dict]:
+        with self._connect() as conn:
+            rows = conn.execute(
+                """
+                SELECT series_id, payload_json, last_selected_at
+                FROM remembered_series
+                ORDER BY last_selected_at DESC
+                """
+            ).fetchall()
+
+        items = []
+        for row in rows:
+            payload = json.loads(row["payload_json"])
+            items.append(
+                {
+                    "series_id": row["series_id"],
+                    "last_selected_at": row["last_selected_at"],
+                    "series": payload,
+                }
+            )
+        return items
+
+    def remember_series(self, item: dict) -> list[dict]:
+        series_id = str(item.get("id") or "").strip()
+        if not series_id:
+            raise ValueError("series id is required")
+
+        # Preserve only expected display fields plus raw payload.
+        payload = {
+            "id": item.get("id"),
+            "name": item.get("name"),
+            "year": item.get("year"),
+            "display_name": item.get("display_name"),
+            "raw": item.get("raw", {}),
+        }
+        now = datetime.now(timezone.utc).isoformat()
+        with self._connect() as conn:
+            conn.execute(
+                """
+                INSERT INTO remembered_series (series_id, payload_json, last_selected_at)
+                VALUES (?, ?, ?)
+                ON CONFLICT(series_id) DO UPDATE SET
+                    payload_json = excluded.payload_json,
+                    last_selected_at = excluded.last_selected_at
+                """,
+                (series_id, json.dumps(payload, ensure_ascii=True), now),
+            )
+
+        remember_max = int(self.get_settings().get(self.REMEMBER_MAX_SERIES_KEY, self.DEFAULT_REMEMBER_MAX_SERIES))
+        self._enforce_remembered_series_limit(remember_max)
+        return self.list_remembered_series()
+
+    def clear_remembered_series(self) -> None:
+        with self._connect() as conn:
+            conn.execute("DELETE FROM remembered_series")
+
+    def _enforce_remembered_series_limit(self, limit: int) -> None:
+        with self._connect() as conn:
+            conn.execute(
+                """
+                DELETE FROM remembered_series
+                WHERE series_id NOT IN (
+                    SELECT series_id
+                    FROM remembered_series
+                    ORDER BY last_selected_at DESC
+                    LIMIT ?
+                )
+                """,
+                (int(limit),),
+            )
+
     def list_selected_episodes(self, session_id: str) -> list[dict]:
         with self._connect() as conn:
             rows = conn.execute(
diff --git a/app/static/app.js b/app/static/app.js
index 13fb60c..4d4c948 100644
--- a/app/static/app.js
+++ b/app/static/app.js
@@ -20,13 +20,17 @@
     settings: {
       set_file_date_to_first_aired_date: false,
       default_media_root_path: null,
+      remember_max_series: 10,
     },
+    rememberedSeries: [],
+    liveSearchItems: [],
   };
 
   const el = {
     sessionMeta: document.getElementById("sessionMeta"),
     outputBox: document.getElementById("outputBox"),
     searchInput: document.getElementById("searchInput"),
+    searchDropdownBtn: document.getElementById("searchDropdownBtn"),
     searchBtn: document.getElementById("searchBtn"),
     searchResults: document.getElementById("searchResults"),
     seriesInfo: document.getElementById("seriesInfo"),
@@ -43,6 +47,8 @@
     saveSettingsBtn: document.getElementById("saveSettingsBtn"),
     setFileDateToFirstAiredDateInput: document.getElementById("setFileDateToFirstAiredDateInput"),
     defaultMediaRootSelect: document.getElementById("defaultMediaRootSelect"),
+    rememberMaxSeriesInput: document.getElementById("rememberMaxSeriesInput"),
+    purgeRememberedSeriesBtn: document.getElementById("purgeRememberedSeriesBtn"),
     refreshEpisodesBtn: document.getElementById("refreshEpisodesBtn"),
     episodesList: document.getElementById("episodesList"),
     episodeMeta: document.getElementById("episodeMeta"),
@@ -214,6 +220,9 @@
 
   function applySettingsToForm() {
     el.setFileDateToFirstAiredDateInput.checked = !!state.settings.set_file_date_to_first_aired_date;
+    if (el.rememberMaxSeriesInput) {
+      el.rememberMaxSeriesInput.value = String(state.settings.remember_max_series || 10);
+    }
     if (el.defaultMediaRootSelect) {
       const wanted = state.settings.default_media_root_path || "";
       el.defaultMediaRootSelect.value = wanted;
@@ -262,14 +271,20 @@
     state.settings = data.settings || {
       set_file_date_to_first_aired_date: false,
       default_media_root_path: null,
+      remember_max_series: 10,
     };
     applySettingsToForm();
   }
 
   async function saveSettings() {
+    const rememberMax = Number(el.rememberMaxSeriesInput.value || "10");
+    if (!Number.isInteger(rememberMax) || rememberMax < 1 || rememberMax > 100) {
+      throw new Error("Remember max series must be an integer between 1 and 100");
+    }
     const payload = {
       set_file_date_to_first_aired_date: !!el.setFileDateToFirstAiredDateInput.checked,
       default_media_root_path: (el.defaultMediaRootSelect.value || "").trim() || null,
+      remember_max_series: rememberMax,
     };
     const data = await api("/api/session/settings", {
       method: "PUT",
@@ -283,6 +298,89 @@
     out("Settings saved", data);
   }
 
+  async function loadRememberedSeries() {
+    const data = await api("/api/session/remembered-series");
+    state.rememberedSeries = data.items || [];
+  }
+
+  async function rememberSeries(item) {
+    await api("/api/session/remembered-series", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ item }),
+    });
+    await loadRememberedSeries();
+  }
+
+  async function purgeRememberedSeries() {
+    const ok = window.confirm("Are you sure?");
+    if (!ok) return;
+    await api("/api/session/remembered-series", { method: "DELETE" });
+    await loadRememberedSeries();
+    renderRememberedDropdown();
+  }
+
+  function rememberedForQuery(query) {
+    const normalized = (query || "").trim().toLowerCase();
+    const rememberedItems = (state.rememberedSeries || []).map((entry) => entry.series || {});
+    return rememberedItems.filter((item) => {
+      if (!normalized) return true;
+      const text = `${item.display_name || ""} ${item.name || ""}`.toLowerCase();
+      return text.includes(normalized);
+    });
+  }
+
+  function renderRememberedDropdown() {
+    const query = (el.searchInput.value || "").trim();
+    const items = rememberedForQuery(query);
+    el.searchResults.innerHTML = "";
+
+    items.forEach((item) => {
+      const li = document.createElement("li");
+      const left = document.createElement("span");
+      const label = item.display_name || item.name || "(series)";
+      left.textContent = label;
+
+      const right = document.createElement("div");
+      const tag = document.createElement("span");
+      tag.className = "badge";
+      tag.textContent = "Remembered";
+      right.appendChild(tag);
+      li.appendChild(left);
+      li.appendChild(right);
+      li.addEventListener("click", () => withHandler(() => selectSeries(item), li));
+      el.searchResults.appendChild(li);
+    });
+  }
+
+  function renderSearchResults(items) {
+    el.searchResults.innerHTML = "";
+    (items || []).forEach((item) => {
+      const li = document.createElement("li");
+      const left = document.createElement("span");
+      left.textContent = item.display_name || item.name || "(series)";
+      li.appendChild(left);
+      li.addEventListener("click", () => withHandler(() => selectSeries(item), li));
+      el.searchResults.appendChild(li);
+    });
+  }
+
+  async function selectSeries(item) {
+    state.selectedSeries = item;
+    state.selectedSeriesSummary = null;
+    el.seriesInfo.textContent = `Selected: ${item.display_name || item.name}`;
+    renderSelectedSeriesDetails();
+    await rememberSeries(item);
+    renderRememberedDropdown();
+    try {
+      await loadSeriesSummary(item.id);
+      renderSelectedSeriesDetails();
+    } catch (_err) {
+      // Keep UI responsive with fallback data.
+    }
+    await loadEpisodes();
+  }
+
   function preferredRootId() {
     if (!state.roots.length) return "";
     const wantedPath = (state.settings.default_media_root_path || "").trim();
@@ -370,31 +468,14 @@
 
   async function doSearch() {
     const query = (el.searchInput.value || "").trim();
-    if (!query) return;
+    if (!query || query.length < 2) {
+      state.liveSearchItems = [];
+      renderRememberedDropdown();
+      return;
+    }
     const data = await api(`/api/tvdb/search?q=${encodeURIComponent(query)}`);
-    el.searchResults.innerHTML = "";
-    (data.items || []).forEach((item) => {
-      const li = document.createElement("li");
-      const left = document.createElement("span");
-      left.textContent = item.display_name || item.name || "(series)";
-      const right = document.createElement("div");
-      right.appendChild(makeBtn("Select", async () => {
-        state.selectedSeries = item;
-        state.selectedSeriesSummary = null;
-        el.seriesInfo.textContent = `Selected: ${item.display_name || item.name}`;
-        renderSelectedSeriesDetails();
-        try {
-          await loadSeriesSummary(item.id);
-          renderSelectedSeriesDetails();
-        } catch (_err) {
-          // Keep UI responsive with search payload fallback if summary lookup fails.
-        }
-        await loadEpisodes();
-      }));
-      li.appendChild(left);
-      li.appendChild(right);
-      el.searchResults.appendChild(li);
-    });
+    state.liveSearchItems = data.items || [];
+    renderSearchResults(state.liveSearchItems);
     out("Search result", data);
   }
 
@@ -704,9 +785,14 @@
 
   function bindEvents() {
     el.searchBtn.addEventListener("click", () => withHandler(doSearch, el.searchBtn));
+    el.searchInput.addEventListener("focus", renderRememberedDropdown);
+    el.searchInput.addEventListener("click", renderRememberedDropdown);
+    el.searchInput.addEventListener("input", renderRememberedDropdown);
+    el.searchDropdownBtn.addEventListener("click", renderRememberedDropdown);
     el.settingsBtn.addEventListener("click", openSettingsModal);
     el.closeSettingsModalBtn.addEventListener("click", closeSettingsModal);
     el.saveSettingsBtn.addEventListener("click", () => withHandler(saveSettings, el.saveSettingsBtn));
+    el.purgeRememberedSeriesBtn.addEventListener("click", () => withHandler(purgeRememberedSeries, el.purgeRememberedSeriesBtn));
     el.settingsModal.addEventListener("click", (e) => {
       if (e.target === el.settingsModal) closeSettingsModal();
     });
@@ -765,6 +851,8 @@
     renderSelectedSeriesDetails();
     bindEvents();
     await loadSettings();
+    await loadRememberedSeries();
+    renderRememberedDropdown();
     await loadSelectedEpisodes();
     await loadSelectedFiles();
     await loadRoots();
diff --git a/app/static/styles.css b/app/static/styles.css
index 1ab175f..1dff0cc 100644
--- a/app/static/styles.css
+++ b/app/static/styles.css
@@ -109,6 +109,17 @@ body {
   margin-bottom: 8px;
 }
 
+.search-combobox-row input[type="text"] {
+  flex: 1;
+  min-width: 0;
+}
+
+#searchDropdownBtn {
+  min-width: 34px;
+  padding-left: 8px;
+  padding-right: 8px;
+}
+
 .stack {
   display: flex;
   flex-direction: column;
@@ -345,6 +356,15 @@ button.secondary {
   width: 100%;
 }
 
+.settings-field input[type="number"] {
+  min-width: 0;
+  width: 100%;
+}
+
+.settings-danger-row {
+  margin-top: 6px;
+}
+
 .settings-check {
   display: flex;
   align-items: center;
diff --git a/app/templates/index.html b/app/templates/index.html
index 2a09e60..b648914 100644
--- a/app/templates/index.html
+++ b/app/templates/index.html
@@ -19,8 +19,9 @@
           <div class="panel-head-actions panel-head-actions-empty" aria-hidden="true"></div>
         </div>
         <div class="panel-body">
-          <div class="row">
+          <div class="row search-combobox-row">
             <input id="searchInput" type="text" placeholder="Search series..." />
+            <button id="searchDropdownBtn" class="secondary" aria-label="Show remembered series">▼</button>
             <button id="searchBtn">Search</button>
           </div>
           <div id="seriesInfo" class="muted"></div>
@@ -152,6 +153,13 @@
               <option value="">Auto (first available)</option>
             </select>
           </div>
+          <div class="settings-field">
+            <label for="rememberMaxSeriesInput">Remember max series</label>
+            <input id="rememberMaxSeriesInput" type="number" min="1" max="100" step="1" />
+          </div>
+          <div class="settings-field settings-danger-row">
+            <button id="purgeRememberedSeriesBtn" class="secondary">Purge remembered series list</button>
+          </div>
         </section>
         <section class="settings-section">
           <h4>Renaming Rules</h4>
diff --git a/data/session_state.sqlite3 b/data/session_state.sqlite3
index e5170fd..326eeb4 100644
Binary files a/data/session_state.sqlite3 and b/data/session_state.sqlite3 differ
diff --git a/feature_tests_remembered_series.sh b/feature_tests_remembered_series.sh
new file mode 100755
index 0000000..4d328be
--- /dev/null
+++ b/feature_tests_remembered_series.sh
@@ -0,0 +1,122 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+if [ -z "${BASE_URL:-}" ]; then
+  if curl --silent --fail http://127.0.0.1:8085/api/health >/dev/null 2>&1; then
+    BASE_URL="http://127.0.0.1:8085"
+  elif curl --silent --fail http://host.containers.internal:8085/api/health >/dev/null 2>&1; then
+    BASE_URL="http://host.containers.internal:8085"
+  else
+    echo "ERROR: could not determine BASE_URL. Tried 127.0.0.1 and host.containers.internal." >&2
+    exit 1
+  fi
+fi
+
+TMP_DIR="$(mktemp -d)"
+trap 'rm -rf "$TMP_DIR"' EXIT
+
+echo "== Feature test 1: remembered series list can be purged and starts empty =="
+curl --fail --silent --show-error \
+  -X DELETE "${BASE_URL}/api/session/remembered-series" \
+  -o "${TMP_DIR}/purge.json"
+
+curl --fail --silent --show-error \
+  "${BASE_URL}/api/session/remembered-series" \
+  -o "${TMP_DIR}/remembered_empty.json"
+
+cat "${TMP_DIR}/remembered_empty.json"
+
+python3 - "${TMP_DIR}/remembered_empty.json" <<'PY'
+import json
+import sys
+from pathlib import Path
+
+data = json.loads(Path(sys.argv[1]).read_text(encoding="utf-8"))
+items = data.get("items")
+assert isinstance(items, list), "items must be list"
+assert len(items) == 0, "items should be empty after purge"
+print("purge baseline validation passed")
+PY
+
+echo
+echo "== Feature test 2: MRU and dedupe by series id =="
+cat > "${TMP_DIR}/s1.json" <<'JSON'
+{"item":{"id":"100","name":"Series A","year":"2020","display_name":"Series A (2020)","raw":{"slug":"series-a"}}}
+JSON
+cat > "${TMP_DIR}/s2.json" <<'JSON'
+{"item":{"id":"200","name":"Series B","year":"2021","display_name":"Series B (2021)","raw":{"slug":"series-b"}}}
+JSON
+cat > "${TMP_DIR}/s1b.json" <<'JSON'
+{"item":{"id":"100","name":"Series A","year":"2020","display_name":"Series A (2020)","raw":{"slug":"series-a"}}}
+JSON
+
+curl --fail --silent --show-error -X POST "${BASE_URL}/api/session/remembered-series" -H "Content-Type: application/json" --data @"${TMP_DIR}/s1.json" >/dev/null
+curl --fail --silent --show-error -X POST "${BASE_URL}/api/session/remembered-series" -H "Content-Type: application/json" --data @"${TMP_DIR}/s2.json" >/dev/null
+curl --fail --silent --show-error -X POST "${BASE_URL}/api/session/remembered-series" -H "Content-Type: application/json" --data @"${TMP_DIR}/s1b.json" >/dev/null
+
+curl --fail --silent --show-error \
+  "${BASE_URL}/api/session/remembered-series" \
+  -o "${TMP_DIR}/remembered_mru.json"
+
+cat "${TMP_DIR}/remembered_mru.json"
+
+python3 - "${TMP_DIR}/remembered_mru.json" <<'PY'
+import json
+import sys
+from pathlib import Path
+
+data = json.loads(Path(sys.argv[1]).read_text(encoding="utf-8"))
+items = data.get("items") or []
+assert len(items) == 2, "expected deduped list of 2"
+assert items[0]["series"]["id"] == "100", "series 100 should be most-recent after reselection"
+assert items[1]["series"]["id"] == "200", "series 200 should be second"
+print("MRU and dedupe validation passed")
+PY
+
+echo
+echo "== Feature test 3: remember_max_series limit evicts oldest =="
+cat > "${TMP_DIR}/settings_limit_2.json" <<'JSON'
+{"remember_max_series":2}
+JSON
+curl --fail --silent --show-error \
+  -X PUT "${BASE_URL}/api/session/settings" \
+  -H "Content-Type: application/json" \
+  --data @"${TMP_DIR}/settings_limit_2.json" \
+  -o "${TMP_DIR}/settings_limit_resp.json"
+
+cat > "${TMP_DIR}/s3.json" <<'JSON'
+{"item":{"id":"300","name":"Series C","year":"2022","display_name":"Series C (2022)","raw":{"slug":"series-c"}}}
+JSON
+curl --fail --silent --show-error -X POST "${BASE_URL}/api/session/remembered-series" -H "Content-Type: application/json" --data @"${TMP_DIR}/s3.json" >/dev/null
+
+curl --fail --silent --show-error \
+  "${BASE_URL}/api/session/remembered-series" \
+  -o "${TMP_DIR}/remembered_limited.json"
+
+cat "${TMP_DIR}/remembered_limited.json"
+
+python3 - "${TMP_DIR}/remembered_limited.json" <<'PY'
+import json
+import sys
+from pathlib import Path
+
+data = json.loads(Path(sys.argv[1]).read_text(encoding="utf-8"))
+items = data.get("items") or []
+ids = [str(i["series"]["id"]) for i in items]
+assert len(items) == 2, f"limit should keep 2, got {len(items)}"
+assert ids[0] == "300", "latest should be first"
+assert "200" not in ids, "oldest series should be evicted"
+print("limit enforcement validation passed")
+PY
+
+cat > "${TMP_DIR}/settings_reset_10.json" <<'JSON'
+{"remember_max_series":10}
+JSON
+curl --fail --silent --show-error \
+  -X PUT "${BASE_URL}/api/session/settings" \
+  -H "Content-Type: application/json" \
+  --data @"${TMP_DIR}/settings_reset_10.json" \
+  >/dev/null
+
+echo
+echo "All remembered series feature tests passed."