Batman: The Brave and the Bold - Season 2 - Eps 18: Emperor Joker!
Fifth-dimensional fan boy Bat-Mite inadvertently gives Joker his limitless power while hoping to witness a hero-villain showdown.
About Batman: The Brave and the Bold

Title: Batman: The Brave and the Bold
First Air Date: 2008-11-14
Last Air Date: 2011-12-05
Status: Ended
Rating: 7.545/10 (from 257 votes)
Language: EN
Seasons: 4
Total Episodes: 65
Network: Cartoon Network
Genres: Animation, Action & Adventure
Production Companies: Warner Bros. Animation, DC, DC Entertainment
Synopsis
The Caped Crusader is teamed up with Blue Beetle, Green Arrow, Aquaman and countless others in his quest to uphold justice.
Cast

Diedrich Bader
Batman (voice)