1. Back to the 80s with Lenny Henry

Sir Lenny Henry takes us on a tour of Channel 4 in the 80s, from its launch in 1982 to cult music show The Tube, improv game show Whose Line Is It Anyway? and blasphemy in Brookside

2. Back to the 90s with Vic Reeves

Vic Reeves takes us on a tour of Channel 4 in the 90s, from The Word and early morning sensation The Big Breakfast, to Father Ted, Brass Eye and future megastars Ricky Gervais and Sacha Baron Cohen

4. Back to the 2010s with Jimmy Carr

Jimmy Carr takes us through Channel 4 in the 2010s, from must-watch reality TV and radical drama, entertainment and comedy, to the nerve-racking experience of a first date and Hollywood handshakes