
In order to see this content you need to have Javascript enabled. Visit BBC Webwise for full instructions
In this clip, find out how DK gets creative with the leftover wax from his nightly Edam feasts.
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Genius is the show in which Dave Gorman tests the workability of inventions and schemes sent in by viewers. The results are usually sublime, ridiculous, or both.
Watch Dave's impassioned plea for your ideas in this clip, then send them in using our form...
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This week's guests on the celebrity quiz show are dirt destroyer Aggie MacKenzie and gay rights champion Peter Tatchell. As well as the quiz itself, don't forget the web-only spin-off game, No More Women...
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It's just been announced that Stewart Lee will be back for a second series and he is "completely cock-a-hoop" about it. In this clip Armando Iannucci interrogates Stewart Lee about the BBC2 show.
If it's comedy gold you're after then have a look at the best funny clips from 2009 on Comedy Extra.
Teenager Tim Dawson's comedy takes a frank look into the outrageous world of a group of sixth form students living in Abingdon. Watch it every Tuesday 10.30pm BBC Three.
New video clips (inc behind the scenes interview)
Joe Tracini's Coming Of Age diary on the blog
The Joes on Comedy Extra
When to watch the show on TV
Yes it's coming back! Head over to the Psychoville website now for a very special announcement.
Great news comedy fans - if you head over to the fabulous Film Network website you'll find loads of brilliant shorts from the best new British filmmakers. Have a look at some of these excellent films:
Where Have I Been All Your Life? (James Corden)
How To Cope With Rejection
Gash