diff --git a/package-lock.json b/package-lock.json
index ff1ec0d..38ab64f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "siteforge",
-  "version": "2.20.0",
+  "version": "2.20.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "siteforge",
-      "version": "2.20.0",
+      "version": "2.20.1",
       "dependencies": {
         "@aws-sdk/client-s3": "^3.1135.0",
         "@dnd-kit/core": "^6.3.1",
diff --git a/package.json b/package.json
index 044e4a7..cbe053e 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "siteforge",
   "private": true,
-  "version": "2.20.0",
+  "version": "2.20.1",
   "type": "module",
   "scripts": {
     "dev": "vite",
diff --git a/server/routes/admin-dashboard.js b/server/routes/admin-dashboard.js
index ae5c47d..f50bfdf 100644
--- a/server/routes/admin-dashboard.js
+++ b/server/routes/admin-dashboard.js
@@ -225,6 +225,7 @@ export function register(app) {
           total: c.total,
           errors: c.errors,
           warnings: c.warnings,
+          general: c.general.length,
           lanes: c.lanes.map(l => ({ lane: l.lane, title: l.title, season: l.season, errors: l.errors, warnings: l.warnings })),
         }))
         .catch(() => null)
diff --git a/server/season-check.js b/server/season-check.js
index 52fd271..b38e6bc 100644
--- a/server/season-check.js
+++ b/server/season-check.js
@@ -17,6 +17,11 @@ function laneConfig(content, lane) {
       title: String(content.seriesTitle ?? '').trim(),
       studySlug: String(content.seriesStudySlug ?? '').trim(),
       highlightLane: 'primary',
+      description: String(content.seriesDescription ?? '').trim(),
+      imageUrl: String(content.seriesImageUrl ?? '').trim(),
+      listenUrl: String(content.seriesListenUrl ?? '').trim(),
+      hasGuide: Boolean(String(content.studyGuideTitle ?? '').trim() && (content.studyGuideDownloadUrl || content.studyGuideUrl || content.studyGuideAppleBooksUrl)),
+      transition: content.scheduledSeriesTransition,
     }
   }
   const second = content.secondSeries ?? {}
@@ -24,6 +29,11 @@ function laneConfig(content, lane) {
     title: String(second.title ?? '').trim(),
     studySlug: String(second.studySlug ?? '').trim(),
     highlightLane: 'second',
+    description: String(second.description ?? '').trim(),
+    imageUrl: String(second.imageUrl ?? '').trim(),
+    listenUrl: String(second.listenUrl ?? '').trim(),
+    hasGuide: Boolean(String(second.guide?.title ?? '').trim() && (second.guide?.downloadUrl || second.guide?.amazonUrl || second.guide?.appleBooksUrl)),
+    transition: content.scheduledSecondSeriesTransition,
   }
 }
 
@@ -68,6 +78,24 @@ export async function buildSeasonCheck() {
       problems.push(warn(`${noHighlightNumber.length} highlight${noHighlightNumber.length === 1 ? '' : 's'} in Lane ${lane} ${noHighlightNumber.length === 1 ? 'has' : 'have'} no episode number.`, 'podcast:highlights'))
     }
 
+    // Series card
+    if (!cfg.imageUrl) problems.push(warn(`Lane ${lane} has no cover image.`, 'podcast:current-series'))
+    if (!cfg.description) problems.push(warn(`Lane ${lane} has no series description.`, 'podcast:current-series'))
+    if (!cfg.listenUrl) problems.push(warn(`Lane ${lane} has no listen link.`, 'podcast:current-series'))
+    if (!cfg.hasGuide) problems.push(warn(`Lane ${lane} has no companion study guide (title plus a download or purchase link).`, 'podcast:current-series'))
+
+    // Handover to the next season
+    const t = cfg.transition
+    if (t) {
+      if (!String(t.newTitle ?? '').trim() || !t.newSeason) {
+        problems.push(warn(`The next-season handover for Lane ${lane} is scheduled but is missing its title or season number.`, 'podcast:current-series'))
+      } else if (season && String(t.newSeason) === season) {
+        problems.push(warn(`The next-season handover for Lane ${lane} uses the same season number (${season}) as the current one.`, 'podcast:current-series'))
+      }
+    } else if (study && sections.length > 0 && sections.every(x => x.releasedAt && new Date(x.releasedAt) <= new Date())) {
+      problems.push(warn(`Every lesson in "${study.title}" is released, but no next season is scheduled for Lane ${lane}.`, 'podcast:current-series'))
+    }
+
     // Episode numbers to show: every number any part of the season mentions, plus 1..lesson count
     const numbers = new Set()
     for (let n = 1; n <= sections.length; n++) numbers.add(n)
@@ -117,8 +145,21 @@ export async function buildSeasonCheck() {
     })
   }
 
-  const total = lanes.reduce((n, l) => n + l.problems.length, 0)
-  return { lanes, total, errors: lanes.reduce((n, l) => n + l.errors, 0), warnings: lanes.reduce((n, l) => n + l.warnings, 0) }
+  // Scripts are filed by season + episode, so one with no season can't be matched to an episode
+  const general = []
+  const unseasoned = Object.entries(state.episodeScripts ?? {}).filter(([, entry]) => !String(entry?.season ?? '').trim())
+  if (unseasoned.length > 0) {
+    general.push(warn(`${unseasoned.length} episode script${unseasoned.length === 1 ? ' has' : 's have'} no season number, so ${unseasoned.length === 1 ? 'it' : 'they'} can't be matched to an episode. Use the season backfill in Episode Scripts.`, 'podcast:scripts'))
+  }
+
+  const all = [...lanes.flatMap(l => l.problems), ...general]
+  return {
+    lanes,
+    general,
+    total: all.length,
+    errors: all.filter(p => p.severity === 'error').length,
+    warnings: all.filter(p => p.severity === 'warn').length,
+  }
 }
 
 export function register(app) {
diff --git a/src/AdminPage.tsx b/src/AdminPage.tsx
index d122a27..46af67c 100644
--- a/src/AdminPage.tsx
+++ b/src/AdminPage.tsx
@@ -2148,7 +2148,7 @@ interface SeasonCheckLane {
 }
 
 function SeasonCheckAdmin({ onNavigate }: { onNavigate: (view: AdminView) => void }) {
-  const [report, setReport] = useState<{ lanes: SeasonCheckLane[]; total: number } | null>(null)
+  const [report, setReport] = useState<{ lanes: SeasonCheckLane[]; general: SeasonCheckProblem[]; total: number } | null>(null)
   const [error, setError] = useState('')
   const [loading, setLoading] = useState(true)
 
@@ -2173,6 +2173,20 @@ function SeasonCheckAdmin({ onNavigate }: { onNavigate: (view: AdminView) => voi
       <button type="button" className="btn-admin-ghost" onClick={() => { setLoading(true); fetchReport() }} disabled={loading}>{loading ? 'Checking…' : 'Check again'}</button>
       {error && <p style={{ color: '#c0392b' }}>{error}</p>}
       {report && report.lanes.length === 0 && <p className="admin-stats-note">No lanes are set up yet.</p>}
+      {report && report.general.length > 0 && (
+        <div style={{ marginTop: 20 }}>
+          <h3 style={{ marginBottom: 4 }}>All lanes</h3>
+          <ul style={{ listStyle: 'none', padding: 0, margin: '8px 0 12px' }}>
+            {report.general.map((p, i) => (
+              <li key={i} style={{ display: 'flex', gap: 10, alignItems: 'flex-start', padding: '5px 0' }}>
+                <span style={{ color: p.severity === 'error' ? '#c0392b' : '#b8860b' }}>{p.severity === 'error' ? '●' : '▲'}</span>
+                <span style={{ flex: 1 }}>{p.message}</span>
+                <button type="button" className="btn-admin-ghost" onClick={() => onNavigate(p.view as AdminView)}>Fix →</button>
+              </li>
+            ))}
+          </ul>
+        </div>
+      )}
       {report?.lanes.map(l => (
         <div key={l.lane} style={{ marginTop: 20 }}>
           <h3 style={{ marginBottom: 4 }}>
diff --git a/src/components/AdminDashboardExtras.tsx b/src/components/AdminDashboardExtras.tsx
index cc7e4bf..06a0e31 100644
--- a/src/components/AdminDashboardExtras.tsx
+++ b/src/components/AdminDashboardExtras.tsx
@@ -4,7 +4,7 @@ interface Trend { thisWeek: number; lastWeek: number; series: number[] }
 interface ResendStatus { available: boolean; reason?: string; broadcast?: { id: string; name: string; subject: string; sentAt: string | null; dashboardUrl: string } | null }
 
 export interface DashboardData {
-  seasonCheck: { total: number; errors: number; warnings: number; lanes: { lane: string; title: string; season: string; errors: number; warnings: number }[] } | null
+  seasonCheck: { total: number; errors: number; warnings: number; general: number; lanes: { lane: string; title: string; season: string; errors: number; warnings: number }[] } | null
   trends: { visits: Trend; subscribers: Trend; studySignups: Trend }
   traffic: { topPages: { path: string; hits: number }[]; topReferrers: { referrer: string; count: number }[] }
   reengagement: { t1: number; t2: number; t3: number; recentlySent: number; remindersEnabled: number }
@@ -157,6 +157,9 @@ export function AdminDashboardExtras({ publishedAt, draftUpdatedAt, isDirty, onN
                   )
                 })}
               </div>
+              {data.seasonCheck.general > 0 && (
+                <p className="admin-stats-note">Plus {data.seasonCheck.general} thing{data.seasonCheck.general === 1 ? '' : 's'} that apply to every lane (such as scripts with no season number).</p>
+              )}
             </>
           )}