Scottish Laird of Batmanor, Angus McLaughlie, bequeaths his castle to Batman in the hope that the famed detective will solve a 400 years old mystery involving the King's gold.; Batman and Robin are assigned to escort a group of criminals, the Sinister 8, to Satan Island prison. Scuppered and marooned on a South Sea Island, the Dynamic Duo must pit their wits against all 8 deadly adversaries.; When Bruce Wayne receives a package from Master Detective Harvey Harris, he realises that mistakes made in his past could reveal his secret identity in the present.; When Merko the Great, a stage magician, is abducted during the interval of a charity show, Batman assumes his identity and improvises ways to perform his act.; Batman risks death from the "bends" if he does not regulate his decrompression rate after an underwater mission. "Slant" Stacy takes advantage of the situation, and the Masked Manhunter must find methods to combat the wily crook without emerging from the water.; Out over the mountains, the Dynamic Duo spot a smoke signal in the shape of a bat. Upon further investigation they meet Sioux Indians, Great Eagle and his son Little Eagle. An injury to Great Eagle means that Batman must substitute for him as Great-Man-Of-The-Bats, a prairie version of himself!; When the Batman of Zur-En-Arrh, a distant planet, teleports Batman to his world, the Caped Crimefighter finds he has super-powers comparable to Superman's. He then uses his newly acquired abilities to help drive invaders from Zur-En-Arrh.