Tonton Streaming Coupling (2000) S1E3 - Sex, Death & Nudity

Jeff explains to the guys about 'The Giggle Loop': the danger that the more you try to suppress laughter in important silences, the harder you want to laugh. Jane's aunt has died, and she wants Steve to come to the funeral, pretending to be her boyfriend still. Susan invites herself, and so Patrick must come as her 'boyfriend', and all six end up going.