Stephen Fry investigates the letter J with Victoria Coren, Bill Bailey, Jimmy Carr and Alan Davies.

Stephen Fry discusses knights and knaves. Victoria Coren, Sue Perkins, Rev. Richard Coles and Alan Davies are his guests at the round table.

Stephen Fry, Lloyd Langford, Victoria Coren Mitchell, Jack Whitehall and Alan Davies look at language.

Sandi Toksvig hosts the Not Nearly episode of QI with Gyles Brandreth, Victoria Coren Mitchell, Jimmy Carr and Alan Davies.

Sandi Toksvig looks at some oddballs with Jason Manford, Jimmy Carr, Victoria Coren Mitchell and Alan Davies.

Sandi Toksvig, Alan Davies, Victoria Coren Mitchell, Phill Jupitus and Bridget Christie put their private matters on public record.

Sandi Toksvig looks at quacks and quackery with Alan Davies, Claudia Winkleman, Stephen K Amos and Victoria Coren Mitchell.

Sandi Toksvig looks at all things shaky and shady with Alan Davies, Eshaan Akbar, John Barrowman and Victoria Coren Mitchell.

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