Season guide
Celebrity Big Brother: Season 12
26 episodes
Premiered Aug 22, 2013 Updated Sep 28, 2026
Previously on Celebrity Big Brother
Season 12 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of Celebrity Big Brother Season 11.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
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Season 12 Episodes
Episode Guide
🛡️ SPOILER SHIELD
Season 12 Progress Shield
Future titles & synopses blurred. Tap "Reveal" on any card to peek.
S12·E1
Mytharc
Live launch
Aug 22, 2013 · 60 min
New series. So the normal series is over for another year and Big Brother has had a few days to rest. Now the fun begins again as Emma Willis invites a fresh group of famous faces
S12·E2
Mytharc
The Big Twist - Live
Aug 23, 2013 · 60 min
The celebrities have been living together for 24 hours, but just as they're getting used to the constant surveillance, shared bedrooms and Big Brother rules, Emma Willis goes live