Clark's parents devise a superhero persona so he can investigate Luthor's connection to the sabotage of a space shuttle.

Jason Trask, who works for the government, is obsessed with Superman and wants to study and kill him. He kidnaps Lois and Clark because he's sure that Superman has a connection with them. Clark begins to learn about Krypton when he finds the spaceship that brought him to earth.

Luthor engages Superman in tests that make him confront the limitations of his powers.

Lois and Clark are investigating burglaries being made by invisible men. A scientist developed a suit that could make a person invisible, but his suits were stolen by a man wanting to commit crimes. Lois and Clark have to uncover who is behind these burglaries before it is too late. Clark also feels that he is losing his identity to Superman.

Lois' estranged father is behind a sinister plan to rig boxing matches by employing bionic pugilists.

Lois and Clark go undercover at a nightclub to find out about a connection between the owners of the club and a group of arsonists called the "Toasters". Superman is able to put out the "Toasters" permanently.