Host Graham Norton gets the ball rolling as ten friendly Irishmen pit their wits -- and whatever else they carry -- against each other in the hope of a few laughs.
The final five throw everything plus the kitchen sink at their fellow funny folk.
The group goes a little bit stir crazy, prompting the introduction of a real life mermaid and a faded rockstar.
Aisling gets a little emotional; a surprise blast from the Irish past.
Martin takes to the stage in an attempt to bring some class to proceedings.
