Looking for a particular sketch

I've long ago lost my tapes of Enfield's various shows (TV Programme, Chums, Oi No!), so if anyone could help me out and tell me on which series/season/special to find this one, it would be much appreciated.

In the sketch, an overly lovey-dovey couple are sitting on a train compartment and are making all the other passengers nauseous with their cutesy behaviour. The sketch ends when the train conductor staggers in in bloody clothes, warning the passengers about some violent soccer hooligans in the next compartment, at which point everyone rushes off to be with the hooligans rather than the couple.

They also appeared again in another sketch where they sit on the couch in front of a TV set, but all I remember is the girl squealing "don't leave me!" as her boyfriend moves two feet to change the channel, and I seem to recall the sketch ending with the kitchen catching fire.