diff --git a/app/pages/admin/events/create.vue b/app/pages/admin/events/create.vue
index ab373b3..a1e6b75 100644
--- a/app/pages/admin/events/create.vue
+++ b/app/pages/admin/events/create.vue
@@ -114,7 +114,7 @@
               <label> Location <span class="required">*</span> </label>
               <UInput
                 v-model="eventForm.location"
-                placeholder="e.g., https://zoom.us/j/123... or #channel-name"
+                placeholder="e.g., https://zoom.us/j/123..., #channel-name, or TBD"
                 required
                 :color="fieldErrors.location ? 'error' : undefined"
                 class="w-full"
@@ -123,7 +123,8 @@
                 {{ fieldErrors.location }}
               </p>
               <p v-if="!fieldErrors.location" class="help-text">
-                Enter a video conference link or Slack channel (starting with #)
+                Video conference link, Slack channel (#channel-name), or 'TBD' if
+                the platform is undecided
               </p>
             </div>
 
@@ -840,7 +841,7 @@ const validateForm = () => {
   if (!eventForm.location.trim()) {
     formErrors.value.push("Location is required");
     fieldErrors.value.location =
-      "Please enter a location (URL or Slack channel)";
+      "Please enter a URL, Slack channel, or 'TBD'";
   }
 
   // Date validation
@@ -861,18 +862,17 @@ const validateForm = () => {
 
   // Location format validation
   if (eventForm.location.trim()) {
+    const value = eventForm.location.trim();
     const urlPattern = /^https?:\/\/.+/;
     const slackPattern = /^#[a-zA-Z0-9-_]+$/;
+    const isTbd = value.toUpperCase() === "TBD";
 
-    if (
-      !urlPattern.test(eventForm.location) &&
-      !slackPattern.test(eventForm.location)
-    ) {
+    if (!isTbd && !urlPattern.test(value) && !slackPattern.test(value)) {
       formErrors.value.push(
-        "Location must be a valid URL or Slack channel (starting with #)",
+        "Location must be a valid URL, Slack channel (starting with #), or 'TBD'",
       );
       fieldErrors.value.location =
-        "Enter a video conference link (https://...) or Slack channel (#channel-name)";
+        "Enter a URL (https://...), Slack channel (#channel-name), or 'TBD' if undecided";
     }
   }
 
diff --git a/app/pages/events/[slug].vue b/app/pages/events/[slug].vue
index 7f72a67..8dc05d2 100644
--- a/app/pages/events/[slug].vue
+++ b/app/pages/events/[slug].vue
@@ -22,7 +22,10 @@
         </div>
         <div class="event-meta-item">
           <span class="meta-label">Location</span>
-          {{ event.location }}
+          <span v-if="event.location?.trim().toUpperCase() === 'TBD'">
+            Platform TBD
+          </span>
+          <template v-else>{{ event.location }}</template>
         </div>
         <div v-if="event.circle" class="event-meta-item">
           <CircleBadge :circle="event.circle" />
diff --git a/server/models/event.js b/server/models/event.js
index ff2e2b0..763b00b 100644
--- a/server/models/event.js
+++ b/server/models/event.js
@@ -25,13 +25,14 @@ const eventSchema = new mongoose.Schema({
     // This will typically be a Slack channel or video conference link
     validate: {
       validator: function (v) {
-        // Must be either a valid URL or a Slack channel reference
+        // Accept a URL, a Slack channel, or the literal "TBD" (platform undecided).
+        if (typeof v === "string" && v.trim().toUpperCase() === "TBD") return true;
         const urlPattern = /^https?:\/\/.+/;
         const slackPattern = /^#[a-zA-Z0-9-_]+$/;
         return urlPattern.test(v) || slackPattern.test(v);
       },
       message:
-        "Location must be a valid URL (video conference link) or Slack channel (starting with #)",
+        "Location must be a valid URL, Slack channel (starting with #), or 'TBD'",
     },
   },
   isOnline: { type: Boolean, default: true }, // Default to online-first