When a priceless yellow diamond is stolen from the museum, Superman, Batman, and the other Super Friends follow the clues and discover that Gorilla Grodd is using the diamond to create an army of yellow gorillas.

Buzz creates a comic book that features Buzz Boy and Fly Guy as the superheroes.

Relates the earliest adventures of Captain America, based on the original comics, describing the life of Steve Rogers, from attempting to join the Army at the start of World War II, failing the physical examination, to being recommended for the classified Project: Rebirth, being injected with the Super-Soldier serum, and becoming America's first Avenger, Captain America.

When the evil Cat Crime Club tricks super-dog Krypto into eating a hot dog spiked with red kryptonite so that he cannot stop them from stealing all the Space Canine Patrol Agents' funds he must figure out a way to track them down and redeem himself.

"The Princess in Black and her friends are enjoying a day of sun and sea on Princess Sneezewort's royal boat when a real, live mermaid princess emerges from the waves! Eeeeeee! Princess Posy needs their help protecting her very cute sea goats from being eaten by a very greedy kraken. But the princesses and the Goat Avenger quickly realize that fighting underwater can be tough for land dwellers, and only the mermaid Princess Posy can save the day....

When the evil Kroc hatches a plan to steal the Earth's water, Plastic Frog sets out to track him down and return the bodies of water to their rightful places.

Ray Palmer has found a way to shrink himself and his dog Spot to atomic size and become the superhero Atom--so when friend and rival Doris Zeul comes up with a way of increasing her size and becomes Giganta, it is up to Atom and Spot to convince her of the error of her ways.