Ep 22. The Last Bat on Earth!

The Last Bat on Earth! is the 22nd episode of the first season of Batman: The Brave and the Bold. The episode sees Batman fighting to save the world from a post-apocalyptic future where most of the planet has been destroyed.

The episode begins with Batman and Kamandi, a teenage boy from the future, trapped in the middle of a battlefield. They are attacked by monstrous creatures and other strange characters, and are forced to fight for their lives. After fending off their attackers, they make their way to a temple containing an ancient weapon that can destroy the evil tyrant who rules over the wasteland of Earth in the future. In order to access the weapon, however, they must solve a series of complicated puzzles.

Unable to complete the puzzles themselves, Batman and Kamandi team up with a group of post-apocalyptic heroes, including a time-traveling gorilla and a group of mutated dog soldiers. Together, they work to solve the puzzles and access the weapon.

Once they have the weapon in hand, they set off to destroy the tyrant. But when they arrive at his fortress, they discover that the tyrant is none other than a future version of Batman himself! This elderly version of Batman, who has been alive for centuries and has seen the world crumble around him, is envious of his younger self's ability to make a difference in the world. He is determined to hold onto his power, and will stop at nothing to ensure that he remains in control.

Batman must confront his older self and convince him to let go of his power before it's too late. With the help of the post-apocalyptic heroes, he battles against his older self in a showdown that will determine the fate of the world.

Overall, The Last Bat on Earth! is an action-packed episode that sees Batman fighting against his own dark future. With the help of Kamandi and a group of unlikely allies, he fights to save the world from a crumbling future that he may one day become a part of. Fans of the series won't want to miss this thrilling episode.