The Dynamic Duo are still trapped in Room Zero and are almost out of time! Superman has launched himself into the air on a desperate search for his friends. Will he make it in time? Will Room Zero claim two victims? Is this the actual end of Batman and Robin? Find out in this exciting episode of Bat-Supe! Plus: There’s a new update about the Swell Prizes in today’s Important Message! 

Part 12 of Looking for Kryptonite was originally broadcast on December 19, 1945.