Jack Goes the Distance is the sixteenth episode of Season 7 of Three's Company, and the 144th overall episode of the series. Written by David Mirkin and directed by Dave Powers, it first aired 22 February 1983 on ABC.
Summary[]
When Biff Bower insults Furley at The Regal Beagle, Jack gets into an argument with the bully. They agree to settle it with a boxing match between Jack and Biff. When the kids learn that Biff was a Golden Glove contender with 22 knockouts, the girls try to talk Jack out of fighting. But when Furley arrives, saying how this is the first time anyone's ever stood up for him, Jack is determined to go ahead with the fight. Jack is definitely getting the worst of the match until Janet intervenes and Biff accidentally knocks her out. Jack, desperately trying to go to Janet's aid, inadvertently knocks Biff out and is declared the winner.