Coupling (2000)

Season 2: Episode 5

Jane gets the sack as a traffic reporter for a local radio station, and decides on a new career in children's entertainment. She starts rehearsing with a pink snake hand puppet, which turns out to have an unstoppable ability to tell the bald truth. Patrick is trying to dump his latest girlfriend Lynda, but when she says she's interested in a threesome, he desperately starts backtracking.