diff --git a/src/components/Pills.tsx b/src/components/Pills.tsx
index 2fff999373..d48089f883 100644
--- a/src/components/Pills.tsx
+++ b/src/components/Pills.tsx
@@ -13,6 +13,15 @@ import {
 } from '#/components/moderation/ModerationDetailsDialog'
 import {Text} from '#/components/Typography'
 
+export type AppModerationCause =
+  | ModerationCause
+  | {
+      type: 'reply-hidden'
+      source: {type: 'user'}
+      priority: 6
+      downgraded?: boolean
+    }
+
 export type CommonProps = {
   size?: 'sm' | 'lg'
 }
@@ -40,7 +49,7 @@ export function Row({
 }
 
 export type LabelProps = {
-  cause: ModerationCause
+  cause: AppModerationCause
   disableDetailsDialog?: boolean
   noBg?: boolean
 } & CommonProps
diff --git a/src/components/moderation/ModerationDetailsDialog.tsx b/src/components/moderation/ModerationDetailsDialog.tsx
index ebfe452325..0073e64aa4 100644
--- a/src/components/moderation/ModerationDetailsDialog.tsx
+++ b/src/components/moderation/ModerationDetailsDialog.tsx
@@ -12,13 +12,14 @@ import {atoms as a, useTheme} from '#/alf'
 import * as Dialog from '#/components/Dialog'
 import {Divider} from '#/components/Divider'
 import {InlineLinkText} from '#/components/Link'
+import {AppModerationCause} from '#/components/Pills'
 import {Text} from '#/components/Typography'
 
 export {useDialogControl as useModerationDetailsDialogControl} from '#/components/Dialog'
 
 export interface ModerationDetailsDialogProps {
   control: Dialog.DialogOuterProps['control']
-  modcause: ModerationCause
+  modcause: ModerationCause | AppModerationCause
 }
 
 export function ModerationDetailsDialog(props: ModerationDetailsDialogProps) {
@@ -105,6 +106,9 @@ function ModerationDetailsDialogInner({
   } else if (modcause.type === 'hidden') {
     name = _(msg`Post Hidden by You`)
     description = _(msg`You have hidden this post.`)
+  } else if (modcause.type === 'reply-hidden') {
+    name = _(msg`Post Hidden by Thread Author`)
+    description = _(msg`The author of this thread has hidden this post.`)
   } else if (modcause.type === 'label') {
     name = desc.name
     description = desc.description
diff --git a/src/components/moderation/PostAlerts.tsx b/src/components/moderation/PostAlerts.tsx
index efbf182193..6c4e5f8c82 100644
--- a/src/components/moderation/PostAlerts.tsx
+++ b/src/components/moderation/PostAlerts.tsx
@@ -1,6 +1,6 @@
 import React from 'react'
 import {StyleProp, ViewStyle} from 'react-native'
-import {ModerationUI} from '@atproto/api'
+import {ModerationCause, ModerationUI} from '@atproto/api'
 
 import {getModerationCauseKey} from '#/lib/moderation'
 import * as Pills from '#/components/Pills'
@@ -9,13 +9,15 @@ export function PostAlerts({
   modui,
   size = 'sm',
   style,
+  additionalCauses,
 }: {
   modui: ModerationUI
   size?: Pills.CommonProps['size']
   includeMute?: boolean
   style?: StyleProp<ViewStyle>
+  additionalCauses?: ModerationCause[] | Pills.AppModerationCause[]
 }) {
-  if (!modui.alert && !modui.inform) {
+  if (!modui.alert && !modui.inform && !additionalCauses?.length) {
     return null
   }
 
@@ -37,6 +39,14 @@ export function PostAlerts({
           noBg={size === 'sm'}
         />
       ))}
+      {additionalCauses?.map(cause => (
+        <Pills.Label
+          key={getModerationCauseKey(cause)}
+          cause={cause}
+          size={size}
+          noBg={size === 'sm'}
+        />
+      ))}
     </Pills.Row>
   )
 }
diff --git a/src/lib/moderation.ts b/src/lib/moderation.ts
index 4105c2c2dd..3c96deecba 100644
--- a/src/lib/moderation.ts
+++ b/src/lib/moderation.ts
@@ -1,17 +1,20 @@
 import {
-  ModerationCause,
-  ModerationUI,
-  InterpretedLabelValueDefinition,
-  LABELS,
   AppBskyLabelerDefs,
   BskyAgent,
+  InterpretedLabelValueDefinition,
+  LABELS,
+  ModerationCause,
   ModerationOpts,
+  ModerationUI,
 } from '@atproto/api'
 
 import {sanitizeDisplayName} from '#/lib/strings/display-names'
 import {sanitizeHandle} from '#/lib/strings/handles'
+import {AppModerationCause} from '#/components/Pills'
 
-export function getModerationCauseKey(cause: ModerationCause): string {
+export function getModerationCauseKey(
+  cause: ModerationCause | AppModerationCause,
+): string {
   const source =
     cause.source.type === 'labeler'
       ? cause.source.did
diff --git a/src/lib/moderation/useModerationCauseDescription.ts b/src/lib/moderation/useModerationCauseDescription.ts
index be9014029c..e2d5ae5e70 100644
--- a/src/lib/moderation/useModerationCauseDescription.ts
+++ b/src/lib/moderation/useModerationCauseDescription.ts
@@ -13,6 +13,7 @@ import {CircleInfo_Stroke2_Corner0_Rounded as CircleInfo} from '#/components/ico
 import {Props as SVGIconProps} from '#/components/icons/common'
 import {EyeSlash_Stroke2_Corner0_Rounded as EyeSlash} from '#/components/icons/EyeSlash'
 import {Warning_Stroke2_Corner0_Rounded as Warning} from '#/components/icons/Warning'
+import {AppModerationCause} from '#/components/Pills'
 import {useGlobalLabelStrings} from './useGlobalLabelStrings'
 import {getDefinition, getLabelStrings} from './useLabelInfo'
 
@@ -27,7 +28,7 @@ export interface ModerationCauseDescription {
 }
 
 export function useModerationCauseDescription(
-  cause: ModerationCause | undefined,
+  cause: ModerationCause | AppModerationCause | undefined,
 ): ModerationCauseDescription {
   const {_, i18n} = useLingui()
   const {labelDefs, labelers} = useLabelDefinitions()
@@ -111,6 +112,13 @@ export function useModerationCauseDescription(
         description: _(msg`You have hidden this post`),
       }
     }
+    if (cause.type === 'reply-hidden') {
+      return {
+        icon: EyeSlash,
+        name: _(msg`Post Hidden by Thread Author`),
+        description: _(msg`The author of this thread has hidden this post.`),
+      }
+    }
     if (cause.type === 'label') {
       const def = cause.labelDef || getDefinition(labelDefs, cause.label)
       const strings = getLabelStrings(i18n.locale, globalLabelStrings, def)
diff --git a/src/view/com/post-thread/PostThreadItem.tsx b/src/view/com/post-thread/PostThreadItem.tsx
index 47bdf185e3..fc14290070 100644
--- a/src/view/com/post-thread/PostThreadItem.tsx
+++ b/src/view/com/post-thread/PostThreadItem.tsx
@@ -15,6 +15,7 @@ import {POST_TOMBSTONE, Shadow, usePostShadow} from '#/state/cache/post-shadow'
 import {useLanguagePrefs} from '#/state/preferences'
 import {useOpenLink} from '#/state/preferences/in-app-browser'
 import {ThreadPost} from '#/state/queries/post-thread'
+import {useThreadgateRecordQuery} from '#/state/queries/threadgate'
 import {useComposerControls} from '#/state/shell/composer'
 import {MAX_POST_LINES} from 'lib/constants'
 import {usePalette} from 'lib/hooks/usePalette'
@@ -29,6 +30,7 @@ import {isWeb} from 'platform/detection'
 import {useSession} from 'state/session'
 import {PostThreadFollowBtn} from 'view/com/post-thread/PostThreadFollowBtn'
 import {atoms as a} from '#/alf'
+import {AppModerationCause} from '#/components/Pills'
 import {RichText} from '#/components/RichText'
 import {ContentHider} from '../../../components/moderation/ContentHider'
 import {LabelsOnMyPost} from '../../../components/moderation/LabelsOnMe'
@@ -199,6 +201,21 @@ let PostThreadItemLoaded = ({
     return makeProfileLink(post.author, 'post', urip.rkey, 'reposted-by')
   }, [post.uri, post.author])
   const repostsTitle = _(msg`Reposts of this post`)
+  const {data: threadgateRecord} = useThreadgateRecordQuery({
+    postUri: rootUri,
+  })
+  const isPostHiddenByThreadgate = threadgateRecord?.hiddenReplies?.includes(
+    post.uri,
+  )
+  const additionalPostAlerts: AppModerationCause[] = isPostHiddenByThreadgate
+    ? [
+        {
+          type: 'reply-hidden',
+          source: {type: 'user'},
+          priority: 6,
+        },
+      ]
+    : []
 
   const translatorUrl = getTranslatorLink(
     record?.text || '',
@@ -315,6 +332,7 @@ let PostThreadItemLoaded = ({
                 size="lg"
                 includeMute
                 style={[a.pt_2xs, a.pb_sm]}
+                additionalCauses={additionalPostAlerts}
               />
               {richText?.text ? (
                 <View
@@ -513,6 +531,7 @@ let PostThreadItemLoaded = ({
               <PostAlerts
                 modui={moderation.ui('contentList')}
                 style={[a.pt_2xs, a.pb_2xs]}
+                additionalCauses={additionalPostAlerts}
               />
               {richText?.text ? (
                 <View style={styles.postTextContainer}>