Gorilla Grodd invents an inter-spacial time conveyor to allow anyone to travel through the time portal. Black Manta and Giganta trap Aquaman and Apache Chief in 70,000,000 BC and rob the diamond mines of South Africa. Sinestro and Captain Cold trap Green Lantern and Samurai in AD 500 and rob King Arthur's treasure. Grodd and Solomon Grundy trap Batman and Robin in ancient Rome and rob the treasures of Julius Caesar. The Legion of Doom learn a hard lesson in underestimating the Super Friends when they are foiled once more.