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Season guide

The Great British Bake Off: An Extra Slice: Series 4

10 episodes Premiered Sep 25, 2020 Updated Oct 3, 2026
Previously on The Great British Bake Off: An Extra Slice

Season 4 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 The Great British Bake Off: An Extra Slice Season 3.
  • ⚡ 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 4 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 4 Progress Shield

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Binge Efficiency Engine

Season 4: Filler vs. Essential Canon

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

40%
60%
Mytharc (4): Crucial lore & season climaxes
Core (6): Character development & subplots
Side Quest (0): Standalone / filler
S4·E1 Mytharc

Cake

Sep 25, 2020 · 47 min

Jo's joined by presenter AJ Odudu and An Extra Slice favourite Richard Osman as they discuss the new bubble of bakers and indulge in Cake Week

S4·E2 Core

Biscuits

Oct 2, 2020 · 47 min

Jo Brand is joined by judge Prue Leith, comedian Phil Wang and series fan Stephen Mangan to snap up the best bits of Biscuit Week and exciting extra footage. The home bakers keep a

S4·E3 Core

Bread

Oct 9, 2020 · 47 min

Jo Brand is joined by judge Paul Hollywood, presenter and comedian Judi Love and comedian Aisling Bea to discuss the best bits from Bread Week. Plus, the latest baker to leave the

S4·E4 Mytharc

Caramel

Oct 16, 2020 · 47 min

Jo Brand is joined by guests Vic Reeves, Melvin Odoom and Steph McGovern as they dip their fingers into Chocolate Week. Regular contributor Tom Allen reviews some of the handiwork

S4·E5 Core

Pudding

Oct 23, 2020 · 47 min

Jo Brand is joined by three different celebrity Bake Off fans to shine a spotlight on the good, the bad and the soggy bottomed from the most recent episode.

S4·E6 Core

Pastry

Oct 30, 2020 · 47 min

Jo's joined by Jonathan Ross, Darren Harriott and Siobhan McSweeney to discuss all the action and some unseen footage from a Bake Off first - Japanese Week

S4·E7 Core

Italian

Nov 6, 2020 · 47 min

Jo's joined by Harry Hill, Sunetra Sarker and Martin Kemp, who go retro and get stuck into the most bodacious bits and unseen extras from 1980s Week

S4·E8 Core

Forgotten Bakes

Nov 13, 2020 · 47 min

Jo's joined by Kathy Burke, Jools Holland and Sophie Duker, who dig into the best bits, tasty treats and hilarious extra unseen footage from Dessert Week

S4·E9 Mytharc

Pâtisserie

Nov 20, 2020 · 47 min

Jo's joined by Joe Wilkinson and Jordan Banjo, as they indulge in the best bits from the Patisserie Week semi-final

S4·E10 Mytharc

Final

Nov 27, 2020 · 47 min

Jo's joined by Matt Lucas, Emma Bunton, both runners-up and the winner of The Great British Bake Off 2020, to indulge in the dramatic finale

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