Watch The Brain Machine/The Joy Ride/The Invasion of the Earthors/The Whirlpool

The Super Friends are summoned when Dr. Cranium uses "The Brain Machine" to increase his intelligence. Then, Zan and Jayna save two boys who have taken an airplane on "The Joy Ride." Next, the Super Friends thwart "The Invasion of the Earthors." Finally, Black Vulcan and Aquaman rescue a tanker from "The Whirlpool."