|Episode 313: Junk Yard Dog|
|Air Date||3 February 1985|
|Written by||Valvin Clements Jr.|
Episode 312: Knight by a Nose
Episode 314: Buy Out
'Acid' John Byrock........Ramon Bieri
Dr. von Vorman........Curt Lowens
Michael tries to expose the illegal activities of an owner of a toxic waste dump. K.I.T.T. however, is destroyed in an acid pit and rebuilt, but he must face his fears. With Michael's help, he regains his spirit and goes for the final showdown against the Junk Yard Dog.