Technicolour sketch hazard Sin & Zo " Truly surreal **** (Skinny). **** (Mumble.net) " present an hour of sweet nightmares and liquorice dreams (sketches). Put on your pyjamas for dark alternative comedy thatll drip through your dreamcatcher. Between them, Sin and Zo have written for Channel 4 shorts, performed their sketches on BBC Radio 1, been seen on BBC Two and CITV, and have had nightmares for a combined 51 years.