Issue Detective 570
Subtitle The Last Laugh
Date January 1987
Writer(s) Mike W. Barr
Artist(s) Alan Davis, Paul Neary
storyline (continued from Detective 569) 
Batman and Robin searched out the Joker's location. By the time they'd caught up, the Joker turned Catwoman against her lover. Batman and Robin caught the Joker, but Selina got away with the reprogramming still intact.