Ten top UK comedians face off in Jimmy Carr’s challenge: make others laugh while keeping a straight face. They’ll try everything to crack their opponents, but must never break themselves.

Ten top UK comedians face off in Jimmy Carr’s challenge: make others laugh while keeping a straight face. They’ll try everything to crack their opponents, but must never break themselves.

Ten top UK comedians face off in Jimmy Carr’s challenge: make others laugh while keeping a straight face. They’ll try everything to crack their opponents, but must never break themselves.

Ten top UK comedians face off in Jimmy Carr’s challenge: make others laugh while keeping a straight face. They’ll try everything to crack their opponents, but must never break themselves.

Ten top UK comedians face off in Jimmy Carr’s challenge: make others laugh while keeping a straight face. They’ll try everything to crack their opponents, but must never break themselves.

Ten top UK comedians face off in Jimmy Carr’s challenge: make others laugh while keeping a straight face. They’ll try everything to crack their opponents, but must never break themselves.

Ten top UK comedians face off in Jimmy Carr’s challenge: make others laugh while keeping a straight face. They’ll try everything to crack their opponents, but must never break themselves.