Warner Bros Animation have passed me a sneak peek at Batman: The Brave and The Bold episode 22:

"The Last Bat on Earth"
Airs Friday, June 19th at 8:30pm on Cartoon Network

SYNOPSIS:
Gorilla Grodd travel's to the future where intelligent animals rule humans --
Batman follows him and teams with Kamandi (the last boy on Earth) to bring
him down.

Voice actors starring in this episode include:
Diedrich Bader as Batman
Dee Bradley Baker as Oberon/Ramjam
Diane Delano as Big Barda
John DiMaggio as Gorilla Grodd
Greg Ellis as Dr. Canus
Mikey Kelley as Kamandi
Yuri Lowenthal as Mr. Miracle/Tuftan
Richard McGonagle as Professor Nichols
Peter Woodward as Caesar