Air date: 2011-06-28

Runtime: 60 min

In the first of two knockout specials, the Hayemaker invites comedian Michael McIntyre, pop star Justin Bieber and rapper Dizzee Rascal into the ring.

Air date: 2011-06-29

Runtime: 60 min

Pulling no punches, verbally or otherwise, the boxing champ gets to know funnyman Ricky Gervais and Oscar nominee Mickey Rourke in the last of the specials.