To mark its 25th anniversary Channel 4 are giving viewers the chance to watch their most memorable and best-loved comedy shows free via 4 on Demand (4oD), their PC download service.

From now until November 18th, over 150 hours of comedy is free to download from the 4oD platform - all viewers need to do is download the free software and select which shows they wish to watch.

The free shows include:
Spaced
Father Ted
Black Books
Green Wing
The Comic Strip Presents...
Drop the Dead Donkey
Brass Eye
Peep Show
The Adam and Joe Show
Desmond's
Smack the Pony
The IT Crowd
Bo' Selecta
Star Stories
Da Ali G Show
Trigger Happy TV
Whose Line Is It Anyway?
Shameless
Skins

To download these shows now just boot up or download 4oD.