The show consists of interactions between humans and puppets. Each episode presents the young viewers with familiar situations from everyday life, and offers creative ways of solving various problems, as each situation is dealt with through songs and games. Aside from the basic plotline, most episodes also include a story told by one or more of the human actors, and sometimes short cartoon sketches. In the sketches about Pete and Pitagoras (different actors) professor Pitagoras tried to teach the kids but his assistant Pete always ruined everything.
Loki schemes with Thanos to win back control of Thanos' Battleworld, but what the Mad Titan doesn't realize is that Loki is after a mythical weapon: The Twilight Sword. Follow your favorite Marvel heroes as they try to stop Loki.