archytele The Vault
Season guide

QI: Series U

17 episodes Premiered Dec 18, 2023 Updated Oct 11, 2026
Previously on QI

Season 21 Lore Primer

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

  • ⚡ Picks up essential narrative continuity directly following the events of QI Season 20.
  • ⚡ Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
  • ⚡ Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
  • ⚡ Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
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Season 21 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 21 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 21: Filler vs. Essential Canon

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

18%
82%
Mytharc (3): Crucial lore & season climaxes
Core (14): Character development & subplots
Side Quest (0): Standalone / filler
S21·E1 Mytharc

All I Want For Christmas Is U

Dec 18, 2023 · 45 min

Sandi Toksvig is joined by Eshaan Akbar, Jo Brand, Jimmy Carr, and Alan Davies for a festive special. They'll uncover Santa Claus' whereabouts, why horses make excellent party gues

S21·E2 Core

Upside-Down

Jan 5, 2024 · 44 min

Sandi Toksvig is joined by Aisling Bea, Urzila Carlson, Romesh Ranganathan and Alan Davies for an upside-down episode.

S21·E3 Core

United

Jan 12, 2024 · 29 min

Sandi Toksvig, Nabil Abdulrashid, Bill Bailey, Victoria Coren Mitchell and Alan Davies are all in it together for this United episode.

S21·E4 Core

Unsavoury

Jan 19, 2024 · 44 min

Join Sandi Toksvig for a thoroughly Unsavoury episode of QI, with Gyles Brandreth, Judi Love, Kiri Pritchard-McLean and Alan Davies.

S21·E5 Core

Uncle Sam

Jan 26, 2024 · 44 min

Sandi Toksvig puts the UK-US special relationship under the microscope with Kemah Bob, Alex Edelman, David Mitchell and Alan Davies.

S21·E6 Core

Ultras

Feb 6, 2024 · 44 min

Sandi Toksvig presents an ultra-interesting episode of QI with Jordan Gray, Jason Manford, Sara Pascoe and Alan Davies.

S21·E7 Core

Ufology

Feb 13, 2024 · 43 min

Sandi Toksvig dusts off her tinfoil hat for a look at ufology with Cally Beaton, Nish Kumar, Tom Ward and Alan Davies.

S21·E8 Core

'U' Animals

Feb 20, 2024 · 44 min

Sandi Toksvig, Rhod Gilbert, Lara Ricote, Ahir Shah and Alan Davies look at some animals beginning with 'U'.

S21·E9 Core

Unrelated

Feb 27, 2024 · 44 min

Sandi Toksvig looks at a range of unrelated 'U' topics with Tom Allen, Chris McCausland, Lou Sanders and Alan Davies.

S21·E10 Core

Upsadaisy

Mar 26, 2024 · 44 min

Sandi Toksvig hosts an 'upsadaisy' episode of QI and is joined by Justin Moorhouse, Emmanuel Sonubi, Holly Walsh and Alan Davies.

S21·E11 Core

Underthings

Apr 2, 2024 · 44 min

Sandi Toksvig is joined by Maisie Adam, Daliso Chaponda, Jack Dee and Alan Davies for a look at some underthings.

S21·E12 Core

University

Apr 9, 2024 · 44 min

Sandi Toksvig goes to university with Guz Khan, Joe Lycett, Morgana Robinson and Alan Davies.

S21·E13 Core

Upbringing

Apr 16, 2024 · 44 min

Sandi Toksvig takes a look at upbringing with Sally Phillips, Josh Pugh, Aaron Simmonds and Alan Davies.

S21·E14 Core

Underground and Underwater

Apr 23, 2024 · 29 min

Sandi is joined by Zoe Lyons, Dan Tiernan, Josh Widdicombe and Alan Davies for an underground and underwater episode of QI.

S21·E15 Core

Ulex

Apr 30, 2024 · 44 min

Sandi Toksvig is joined by Bridget Christie, Rosie Jones, Cariad Lloyd and Alan Davies to find out about ulex and other obscure U words.

S21·E16 Mytharc

VG: Part 1

May 10, 2024 · 28 min

A selection of the best moments from series U, with Sandi Toksvig, Alan Davies and their guests.

S21·E17 Mytharc

VG: Part 2

May 17, 2024 · 29 min

More of the best moments from the U series of QI, hosted by Sandi Toksvig with Alan Davies and their guests.

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