diff --git a/src/express/results.ts b/src/express/results.ts
index 621fe8b..1acc30a 100644
--- a/src/express/results.ts
+++ b/src/express/results.ts
@@ -5,7 +5,7 @@
 import { request } from '../api/client'
 import { t } from '../i18n'
 import { kindLabel, type ContentKind, type Rule } from './parse'
-import { expressAgents, PLAN_ACTIVE, productionStatus, type PlanItem, type Schedule } from './schedules'
+import { expressAgents, MAX_ATTEMPTS, PLAN_ACTIVE, productionStatus, retryItem, type PlanItem, type Schedule } from './schedules'
 
 const AGENTS = '/organizations/current/agents'
 
@@ -39,6 +39,8 @@ export interface Material {
   sources: string[]
   createdAt: string
   rule: Rule
+  /** The plan item to produce again, when the engine allows another attempt. */
+  retry?: { planId: number; itemId: number }
   video?: { url: string | null; progress: number; credits: number | null }
 }
 
@@ -93,9 +95,9 @@ async function materialsOf(schedule: Schedule): Promise<Material[]> {
     request<RawMaterial[]>(`${AGENTS}/${agent.id}/material-drafts`),
     productionStatus(agent.id).catch(() => null),
   ])
-  const items = new Map<number, PlanItem>()
+  const items = new Map<number, PlanItem & { planId: number }>()
   for (const plan of status?.plans ?? []) {
-    for (const item of plan.items ?? []) if (item.run_id) items.set(item.run_id, item)
+    for (const item of plan.items ?? []) if (item.run_id) items.set(item.run_id, { ...item, planId: plan.id })
   }
   // One run makes one result; its drafts are its parts (one, or the lesson + quiz of a SCORM module).
   const byRun = new Map<number, RawMaterial[]>()
@@ -104,11 +106,13 @@ async function materialsOf(schedule: Schedule): Promise<Material[]> {
     // The lesson comes first: it carries the title, sources and Compose set of the whole module.
     group.sort((a, b) => Number(b.output_kind === 'summary') - Number(a.output_kind === 'summary'))
     const [d] = group
+    const item = items.get(d.run_id)
     const parts = group.map(g => ({ id: g.id, revision: g.revision, kind: g.output_kind, status: g.status }))
     return {
       id: d.id, agentId: agent.id, kind: kind === 'audio' || kind === 'scorm' ? kind : d.output_kind,
-      status: withPlanItem(combined(parts), items.get(d.run_id)?.status), revision: d.revision, parts,
-      planTitle: items.get(d.run_id)?.title ?? null,
+      status: withPlanItem(combined(parts), item?.status), revision: d.revision, parts,
+      planTitle: item?.title ?? null,
+      retry: item?.status === 'failed' && item.attempt_count < MAX_ATTEMPTS ? { planId: item.planId, itemId: item.id } : undefined,
       composeSetId: d.compose_set_id, sources: d.sources.map(s => s.title), createdAt: d.created_at, rule,
     }
   })
@@ -192,6 +196,8 @@ export async function materialContent(m: Material): Promise<{ content: MaterialC
 export const exportPptx = (deckId: number) => request<Blob>(`/slide-deck/${deckId}/export`, { method: 'POST', as: 'blob' })
 
 // Every part waiting for review gets the same decision, so a SCORM module is approved as one.
+export const retryMaterial = (m: Material) => retryItem(m.agentId, m.retry!.planId, m.retry!.itemId)
+
 export async function decideMaterial(m: Material, decision: 'accept' | 'reject') {
   for (const p of m.parts.filter(p => p.status === 'ready')) {
     if (m.kind === 'video') await request(`${AGENTS}/${m.agentId}/video-drafts/${p.id}/review`, { method: 'POST', json: { decision } })
diff --git a/src/express/schedules.ts b/src/express/schedules.ts
index 77e5bbb..ad0bfaf 100644
--- a/src/express/schedules.ts
+++ b/src/express/schedules.ts
@@ -273,6 +273,7 @@ export interface PlanItem {
   id: number
   status: 'proposed' | 'approved' | 'queued' | 'generating' | 'ready' | 'blocked' | 'failed' | 'skipped' | 'cancelled' | 'rejected'
   run_id: number | null
+  attempt_count: number
   title: string
   required_outputs: { kind: ContentKind }[]
 }
@@ -301,6 +302,20 @@ export const quoteProduction = (id: number, target: number) =>
 export const confirmProduction = (id: number, plan: ContentPlan) =>
   request<ContentPlan>(`${AGENTS}/${id}/content/plans/${plan.id}/confirm-planning`, { method: 'POST', json: { revision: plan.revision } })
 
+// Retrying a failed item = a fresh generation quote for that item alone, then starting it. The engine
+// allows three attempts per item and only by the person who started the first one.
+export const MAX_ATTEMPTS = 3
+export async function retryItem(agentId: number, planId: number, itemId: number) {
+  const plan = (await productionStatus(agentId)).plans.find(p => p.id === planId)
+  if (!plan) throw new Error('The production plan is no longer available')
+  const base = `${AGENTS}/${agentId}/content/plans/${planId}`
+  const quote = await request<{ revision: number; quote_signature: string }>(`${base}/items/${itemId}/retry-quote`, { method: 'POST', json: { revision: plan.revision } })
+  return request<ContentPlan>(`${base}/start`, {
+    method: 'POST', headers: { 'Idempotency-Key': opKey(`retry-${itemId}`) },
+    json: { revision: quote.revision, quote_signature: quote.quote_signature },
+  })
+}
+
 export const PLAN_ACTIVE = new Set<ContentPlan['status']>(['planning', 'review', 'approved', 'running'])
 
 export interface RunSummary {
diff --git a/src/i18n.ts b/src/i18n.ts
index 8cf5139..44af812 100644
--- a/src/i18n.ts
+++ b/src/i18n.ts
@@ -287,6 +287,9 @@ const en = {
   'res.creditsUsed': 'Credits used',
   'res.accepted': 'Approved.',
   'res.rejected': 'Rejected.',
+  'res.retry': 'Retry',
+  'res.retrying': 'Retrying…',
+  'res.retried': 'Production started again.',
   'res.audioNotice': 'Played with this device’s voice, which can differ between devices. Download the script to record it or use it in a TTS tool.',
   'res.fullScript': 'Show the full script',
   'res.scriptTxt': 'Script (.txt)',
@@ -621,6 +624,9 @@ const id: Record<Key, string> = {
   'res.creditsUsed': 'Kredit terpakai',
   'res.accepted': 'Disetujui.',
   'res.rejected': 'Ditolak.',
+  'res.retry': 'Coba lagi',
+  'res.retrying': 'Mencoba lagi…',
+  'res.retried': 'Produksi dimulai lagi.',
   'res.audioNotice': 'Diputar dengan suara perangkat ini, yang bisa berbeda antarperangkat. Unduh naskahnya untuk direkam atau dipakai di alat TTS.',
   'res.fullScript': 'Lihat naskah lengkap',
   'res.scriptTxt': 'Naskah (.txt)',
diff --git a/src/pages/Results.tsx b/src/pages/Results.tsx
index 117d6e2..6710ea0 100644
--- a/src/pages/Results.tsx
+++ b/src/pages/Results.tsx
@@ -8,7 +8,7 @@ import { Empty, PageHead, SkeletonCards, SkeletonLines, SkeletonRows } from '../
 import { toast } from '../components/Toast'
 import { describeRule, kindLabel, type ContentKind } from '../express/parse'
 import {
-  decideMaterial, download, exportPptx, fileName, isWorking, printPdf, listOf, listResults, materialContent, materialKey, questionsOf, reviewSource, slidesOf, textOf,
+  decideMaterial, download, exportPptx, fileName, isWorking, printPdf, listOf, listResults, materialContent, materialKey, questionsOf, retryMaterial, reviewSource, slidesOf, textOf,
   titleOf, toMarkdown, type FoundSource, type Material, type MaterialContent, type MaterialStatus,
 } from '../express/results'
 import { MASTERY, scormPackage } from '../express/scorm'
@@ -132,13 +132,34 @@ function ContentCard({ material: m, onOpen }: { material: Material; onOpen: () =
           <span title={describeRule(m.rule)}>{describeRule(m.rule)}</span>
           {working
             ? <span>{m.video ? t('res.videoProgress', { n: m.video.progress }) : t('res.working')}</span>
-            : <button className="text-btn" onClick={onOpen}>{t('res.open')} <Icon name="arrow-right" /></button>}
+            : <div className="content-card-actions">
+                {m.retry && <RetryButton material={m} className="text-btn" />}
+                <button className="text-btn" onClick={onOpen}>{t('res.open')} <Icon name="arrow-right" /></button>
+              </div>}
         </div>
       </div>
     </article>
   )
 }
 
+// A failed plan item is produced again with a fresh quote; the result then shows as preparing.
+function RetryButton({ material: m, className }: { material: Material; className: string }) {
+  const queryClient = useQueryClient()
+  const retry = useMutation({
+    mutationFn: () => retryMaterial(m),
+    onSuccess: () => {
+      toast(t('res.retried'))
+      queryClient.invalidateQueries({ queryKey: ['results'] })
+    },
+    onError: e => toast(e.message, { error: true }),
+  })
+  return (
+    <button className={className} disabled={retry.isPending} onClick={() => retry.mutate()}>
+      {retry.isPending ? t('res.retrying') : t('res.retry')}
+    </button>
+  )
+}
+
 function Preview({ material: m, onClose }: { material: Material; onClose: () => void }) {
   const ref = useRef<HTMLDialogElement>(null)
   const queryClient = useQueryClient()
@@ -190,6 +211,7 @@ function Preview({ material: m, onClose }: { material: Material; onClose: () =>
       <div className="modal-foot">
         {decide.error ? <small className="error">{decide.error.message}</small> : <small>{t('res.footNote')}</small>}
         {m.composeSetId && <a className="btn" href={`${STUDIO_URL}/compose/${m.composeSetId}`} target="_blank" rel="noreferrer">{t('res.openStudio')}</a>}
+        {m.retry && <RetryButton material={m} className="btn primary" />}
         {content.data?.content && <DownloadMenu material={m} content={content.data.content} outputId={content.data.outputId} />}
         {m.status === 'ready' && (
           <>
diff --git a/src/styles/app.css b/src/styles/app.css
index 4bc53f4..d55c85c 100644
--- a/src/styles/app.css
+++ b/src/styles/app.css
@@ -61,6 +61,7 @@ textarea{resize:vertical;line-height:1.6}
 .content-cover>small{max-width:calc(100% - 24px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
 .content-title:disabled{cursor:default;color:#8b97a9}
 .content-card-foot>span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
+.content-card-actions{display:flex;gap:12px;flex-shrink:0}
 .research-row .status{margin-left:0}
 .research-row h3 a{color:var(--ink)}
 .research-row h3 a:hover{color:var(--blue)}