The Joker attempts to recruit high-school dropouts for his gang.

The Mad Hatter goes after the final juror.

The Mad Hatter hopes to get revenge on the jurors who convicted him.

The Riddler warns others of the time bomb placed in a museum statue.

Batman and Robin rush to protect a visiting king from the Riddler.

Zelda the Great's (Anne Baxter) helper schemes to trap Batman and Robin.

After robbing a bank, an escape artist (Anne Baxter) fools Batman as he tries to capture her.

Mr. Freeze exchanges a kidnapped baseball pitcher for Batman.

Vengeful Mr. Freeze raids the diamond exchange.

The Joker plans to gas everyone at a boat launching.

The Joker duplicates Batman's utility belt.

Batman and Robin inadvertently provide the plot for the Penguin's latest crime.

Batman and Robin suspect the Penguin is planning his next crime.

The Riddler holds Robin hostage to trap Batman.

Batman and Robin try to decipher the Riddler's lethal puzzles.

Minerva (Zsa Zsa Gabor), the owner of a mineral spa, plans her latest theft.

Batman and Robin pursue two thieves who can make themselves invisible.

The Joker sets out to rule the world when he builds a flying saucer.

King Tut plans to mine beneath Wayne Manor.

Shame offers to swap Batgirl for Frontier Fanny.

Shame (Cliff Robertson) flees prison to steal a diamond and a bankroll.

When presumed-dead billionaire playboy Oliver Queen returns home to Starling City after five years stranded on a remote island in the Pacific, he hides the ways the experience has changed him. As he reconnects with those closest to him, including his sister, Thea, Oliver appears to be the same wealthy, carefree bachelor they've always known. At night, flanked by his devoted friend, Diggle, Oliver uses his secret persona -- that of a vigilante -- to right societal wrongs and transform the city to its former glory.