Fastest Gun on Madison Avenue (S02E21)

Joe Kovack makes a play for Samantha in a restaurant. Darrin rushes to her defense. Realizing Darrin faces certain slaughter, Samantha twitches her nose and Joe falls to the floor, Since Joe is Number One contender for the heavyweight title, newspapers hail Darrin as a coming champ. Darrin pleads with Samantha to let him fight, his own battles. Then, Joe and his Manager, trying to regain a crack at a lucrative championship bout, approach Darrin with a plan for a make-believe bout in which Joe pretends to knock Darrin out. (iTunes)