That Mitchell and Webb Look (2006)

S1E3 Episode 3

An estate agent takes a couple on a tour of a uniquely damp house, where they discover a magical clarinet that compels people to share their most embarrassing secrets. Meanwhile, the comedic duo Fish and Chip, along with their friends Pin and Cushion, add to the hilarity as they navigate the unexpected twists and turns that come with the clarinet's power.