Superhero Captain Atomic suffers a setback as he is shaking hands with Joey, a 12-year-old fan, when his disgruntled sidekick transforms him into a powerless puppet. The suddenly not-so-super superhero quickly realizes that the only way he can regain his former powers is to team up with the boy -- which is a dream come true for Joey but not so much for Captain Atomic. Together, the two form an unlikely and awkward partnership that allows them to become the city's newest superhero duo -- known as Atomic Puppet.
9-year-old alien Gark is on a mission to save the universe. When he is sent to Earth for training, Gark meets vain housecat Max, who the alien mistakes for a tiger that can teach him how to be a hero. Max, however, doesn't know a lot about bravery, but he does know a lot about activities like knitting and watching TV. Gark's adventurous tendencies force anxious Max to start acting like the tiger that Gark suspects he is in order to help the alien, who has uncontrollable superpowers, fulfill his destiny of saving the world.
Iron Man, Hulk, Captain America and newcomer Falcon are members of the Avengers featured in this animated series. Iron Man leads the team, as the heroes live and train in their new headquarters in Avengers Tower. When the team assembles, no villain stands a chance, as the Avengers work together to counter evildoers. Whether they're stopping Dr. Doom from conquering Asgard or preventing Dracula from unleashing vampire hordes, the Avengers do whatever it takes to succeed and make sure that good prevails.
When young suburbanite Penn Zero unexpectedly inherits a job that most kids could only dream about having -- being a superhero -- he jumps fully into his new, part-time duties. He still has to live his normal, everyday life, which includes going to school, but after school is when the fun begins. Penn teams up with sidekick Sashi and wise man Boone as their adventures take them all over the place, from outer space to the Old West and the biggest challenge of all: suburbia. The ultimate goal for Penn and his team is to defeat evil Rippen and save the world.