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Season guide

Big Brother: Series 12

71 episodes Premiered Sep 9, 2011 Updated Oct 1, 2026

Big Brother 12, also known as Big Brother 2011, marked a significant transition for the British reality television series as it was the first season not broadcast on Channel 4. Instead, the series aired on Channel 5, launching on 9 September 2011 with a ninety-minute special following the final of Celebrity Big Brother 8. Hosted by Brian Dowling, the series ran for 64 days and concluded on 11 November 2011. The seaso

Previously on Big Brother

Season 12 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ The series transitioned from Channel 4 to Channel 5 for this season.
  • ⚡ The production schedule shifted from a summer run to an autumn run.
  • ⚡ The celebrity edition of the show aired immediately before the main series.
  • ⚡ The host for the season is Brian Dowling, a former winner of Big Brother 2 and Ultimate Big Brother.
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Season overview

Big Brother 12, also known as Big Brother 2011, marked a significant transition for the British reality television series as it was the first season not broadcast on Channel 4. Instead, the series aired on Channel 5, launching on 9 September 2011 with a ninety-minute special following the final of Celebrity Big Brother 8. Hosted by Brian Dowling, the series ran for 64 days and concluded on 11 November 2011. The season featured 14 original housemates, consisting of seven men and seven women aged between 18 and 30. Unlike previous iterations, this season aired in the autumn rather than the traditional summer period. The narrative of the season was heavily characterized by the development of romantic relationships among the housemates, alongside frequent instances of lewd talk and intimate behavior. Aaron Allard-Morgan emerged as the winner, receiving half of the 100,000 pound prize fund, while the remaining amount was split among the five finalists. Jay McKray finished as the runner up.

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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.
Binge Efficiency Engine

Season 12: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

10%
90%
Mytharc (7): Crucial lore & season climaxes
Core (64): Character development & subplots
Side Quest (0): Standalone / filler
S12·E2 Core

Day 1

Sep 10, 2011 · 60 min

S12·E3 Core

Day 2

Sep 11, 2011 · 60 min

S12·E4 Core

Day 3

Sep 12, 2011 · 60 min

S12·E5 Core

Day 4

Sep 13, 2011 · 60 min

S12·E10 Core

Day 8

Sep 17, 2011 · 60 min

S12·E11 Core

Day 9

Sep 18, 2011 · 60 min

S12·E12 Core

Day 10

Sep 19, 2011 · 60 min

S12·E15 Core

Day 13

Sep 22, 2011 · 60 min

S12·E18 Core

Day 15

Sep 24, 2011 · 60 min

S12·E19 Core

Day 16

Sep 25, 2011 · 60 min

S12·E20 Core

Day 17

Sep 26, 2011 · 60 min

S12·E22 Core

Day 19

Sep 28, 2011 · 60 min

S12·E23 Core

Day 20

Sep 29, 2011 · 60 min

S12·E26 Core

Day 22

Oct 1, 2011 · 60 min

S12·E27 Core

Day 23

Oct 2, 2011 · 60 min

S12·E28 Core

Day 24

Oct 3, 2011 · 60 min

S12·E29 Core

Day 25

Oct 4, 2011 · 60 min

S12·E30 Core

Day 26

Oct 5, 2011 · 60 min

S12·E31 Core

Day 27

Oct 6, 2011 · 60 min

S12·E34 Core

Day 29

Oct 8, 2011 · 60 min

S12·E35 Core

Day 30

Oct 9, 2011 · 60 min

S12·E36 Core

Day 31

Oct 10, 2011 · 60 min

S12·E37 Core

Day 32

Oct 11, 2011 · 60 min

S12·E38 Core

Day 33

Oct 12, 2011 · 60 min

S12·E39 Core

Day 34

Oct 13, 2011 · 60 min

S12·E42 Core

Day 36

Oct 15, 2011 · 60 min

S12·E43 Core

Day 37

Oct 16, 2011 · 60 min

S12·E44 Core

Day 38

Oct 17, 2011 · 60 min

S12·E45 Core

Day 39

Oct 18, 2011 · 60 min

S12·E46 Core

Day 40

Oct 19, 2011 · 60 min

S12·E47 Core

Day 41

Oct 20, 2011 · 60 min

S12·E50 Core

Day 43

Oct 22, 2011 · 60 min

S12·E51 Core

Day 44

Oct 23, 2011 · 60 min

S12·E52 Core

Day 45

Oct 24, 2011 · 60 min

S12·E53 Core

Day 46

Oct 25, 2011 · 60 min

S12·E54 Core

Day 47

Oct 26, 2011 · 60 min

S12·E55 Core

Day 48

Oct 27, 2011 · 60 min

S12·E58 Core

Day 50

Oct 29, 2011 · 60 min

S12·E59 Core

Day 51

Oct 30, 2011 · 60 min

S12·E60 Core

Day 52

Oct 31, 2011 · 60 min

S12·E61 Core

Day 53

Nov 1, 2011 · 60 min

S12·E62 Core

Day 54

Nov 2, 2011 · 60 min

S12·E63 Core

Day 55

Nov 3, 2011 · 60 min

S12·E65 Core

Day 57

Nov 5, 2011 · 60 min

S12·E66 Core

Day 58

Nov 6, 2011 · 60 min

S12·E67 Core

Day 59

Nov 7, 2011 · 60 min

S12·E68 Core

Day 60

Nov 8, 2011 · 60 min

S12·E69 Core

Day 61

Nov 9, 2011 · 60 min

S12·E71 Mytharc

Final

Nov 11, 2011 · 60 min

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