It's the final showdown, and Arthur prepares to set off the Catalyzer to foil Terror's plan to kill Superian. The city watches as Arthur prepares to stop the villain once and for all. Meanwhile, a deceased Overkill keeps going using only his indomitable will, Walter reveals a hidden side of himself, and Ms. Lint decides to quit.

Lint tortures the captive Overkill and Dot stages a daring rescue. Meanwhile, Mischa explains Terror's plan to kill Superian and tells Arthur how he can stop it.

Mischa explains Terror's plan--at some length--while Overkill and Dot team up to stop Terror's gang at the radio transmitter.

Armanian agents arrive looking for Mischa, and Tick finds one of them strangely familiar. Meanwhile, Terror wrongly takes his rightful place as the head of the company he founded, and Superian realizes where he's seen VLM before.

Arthur works out who Overkill used to be and asks him for help contacting his former partner to warn Superian. However, the team's plan goes to the dogs. Meanwhile, Dot trains herself to fight with the others, and Lint takes over the Pyramid Gang.

Tick and Overkill go to rescue Arthur, who has escaped with Ms. Lint's help. Meanwhile, Dot insists on tagging along with the heroes to rescue her brother, and Misha sort of explains that he found an element that can hurt Superian.

Tick and Arthur pay AEGIS a call, but discover that they're out of business in the city. Meanwhile, the Terror tells Ms. Lint why he faked his death thirteen years ago.

Arthur takes control of the suit, and his destiny. Meanwhile, Overkill emerges from the shadows and admits that he reads Reddit... and that he's also looking for the Terror.

After Arthur lets Tick crash on his couch, Tick crashes the birthday party of Arthur's stepfather Walter. Ms. Lint also crashes the party when she learns that the wing suit has imprinted on Arthur. Meanwhile, Overkill continues overkilling.

Arthur tries to leave superheroing behind and return to his nice safe job as an accountant. But Destiny--and Overkill, and Ms. Lint, and Tick--call.

Tick rescues Arthur from Miss Lint and the Pyramid Gang, and insists that Arthur embrace his destiny. However, Arthur would rather not. Meanwhile, a mysterious figure stalks Arthur.

In a world of superheroes, a conspiracy theorist named Arthur who lost his father to the supervillain known as the Terror 20 years ago believe the villain is still alive and rumors of his death are exaggerated. Bu everyone thinks that he's insane... until Arthur meets an invulnerable blue hero named The Tick who believes in him.