diff --git a/web/libs/editor/src/regions/AudioRegion/AudioRegionModel.js b/web/libs/editor/src/regions/AudioRegion/AudioRegionModel.js
index 8799721eadf2..8d29a7329410 100644
--- a/web/libs/editor/src/regions/AudioRegion/AudioRegionModel.js
+++ b/web/libs/editor/src/regions/AudioRegion/AudioRegionModel.js
@@ -3,6 +3,7 @@ import { AudioModel } from "../../tags/object/Audio/model";
 import Utils from "../../utils";
 import Constants from "../../core/Constants";
 import { clamp } from "../../utils/utilities";
+import { FF_TIMESERIES_SYNC, isFF } from "../../utils/feature-flags";
 
 export const AudioRegionModel = types
   .model("AudioRegionModel", {
@@ -101,6 +102,13 @@ export const AudioRegionModel = types
         self._ws_region.handleSelected(true);
         self._ws_region.bringToFront();
         self._ws_region.scrollToRegion();
+
+        // Emit sync event to update all synced components (TimeSeries, etc.)
+        if (isFF(FF_TIMESERIES_SYNC) && self.object.sync) {
+          const regionStartTime = self.start;
+          // Audio time is already in seconds, so just use it directly
+          self.object.syncSend({ time: regionStartTime, playing: false }, "seek");
+        }
       },
 
       deleteRegion() {
diff --git a/web/libs/editor/src/regions/TimeSeriesRegion.js b/web/libs/editor/src/regions/TimeSeriesRegion.js
index 6274af2ef75e..c383b99710cb 100644
--- a/web/libs/editor/src/regions/TimeSeriesRegion.js
+++ b/web/libs/editor/src/regions/TimeSeriesRegion.js
@@ -9,6 +9,7 @@ import { guidGenerator } from "../core/Helpers";
 import Registry from "../core/Registry";
 import { AreaMixin } from "../mixins/AreaMixin";
 import { AnnotationMixin } from "../mixins/AnnotationMixin";
+import { FF_TIMESERIES_SYNC, isFF } from "../utils/feature-flags";
 
 const hotkeys = Hotkey("TimeSeries", "Time Series Segmentation");
 
@@ -67,6 +68,29 @@ const Model = types
       hotkeys.addNamed("ts:shrink-right-large", () => self.shrinkRight(lots));
 
       self.parent.scrollToRegion(self);
+
+      // Seek to the region's start time and emit sync event to update all synced components
+      if (isFF(FF_TIMESERIES_SYNC) && self.parent.sync) {
+        const regionStartTime = self.start;
+
+        // Update cursor position to the region's start
+        self.parent.setCursor(regionStartTime);
+
+        // Emit sync event so all synced components (Audio, Accelerometer, etc.) seek to this time
+        const [minKey] = self.parent.keysRange;
+        if (minKey !== undefined) {
+          let relativeTime;
+          if (self.parent.isDate) {
+            // Convert milliseconds to seconds for sync message
+            relativeTime = (regionStartTime - minKey) / 1000;
+          } else {
+            // Already in seconds/indices
+            relativeTime = regionStartTime - minKey;
+          }
+          // Emit seek sync event
+          self.parent.syncSend({ time: relativeTime, playing: false }, "seek");
+        }
+      }
     },
 
     updateAppearenceFromState() {
diff --git a/web/package.json b/web/package.json
index 3bc8536e6ea5..5f314b29bdd8 100644
--- a/web/package.json
+++ b/web/package.json
@@ -249,7 +249,7 @@
     "moment": "2.29.4",
     "on-headers": "1.1.0",
     "form-data": "4.0.4",
-    "stylus": "0.0.1-security"
+    "stylus": "0.64.0"
   },
   "copyFiles": [
     {