The Last Laugh
The Joker employs a lethal mind-altering laughing gas to transform the citizens of Gotham into total fools.
Release : September 22, 1992
Runtime Epiosde : 22 minutes
Rating : 7.40
Credits
Kevin Conroy ( Kevin Conroy )
Batman (voice)
Efrem Zimbalist Jr. ( Efrem Zimbalist Jr. )
Alfred Pennyworth (voice)
Bob Hastings ( Bob Hastings )
Commissioner Gordon (voice)