High in the sky of a sci-fi metropolis a lone spaceship is confronted by a much larger and more intimidating vessel.

Sketch-show sensation Catherine Tate tells the story of the decade in which she became a household name. She meets with comedy glitterati Alan Carr, David Walliams, Noel Fielding, Rob Brydon and her Doctor Who co-star, David Tennant, all of whom reflect on the greatest comedy moments in recent history. As well as showcasing all the most entertaining, memorable comedy of the time, the documentary also features newsreel and pop culture archive that contextualises the gags. It reveals not just what was funny, but why it was funny. Catherine's journey provides new insight and revelations and features anecdotes from some of the biggest names in comedy.