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.
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.
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 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.
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.
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.
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.
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.
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.
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.
Arthur loses his job and ends up going on patrol with Tick. They fight a group of villains with a superstrong humanoid lobster, and miss Joan's daughter. Dot has a vision of the future--not her future, just a future--and commiserates with Overkill over a bottle of whiskey.
Arthur and Tick go to AEGIS HQ for testing and paperwork. Dot confronts Overkill about his cowardice, Lint finds a new tech connection, and Superian discovers that his Likes on the Internet are decreasing.
Thanks to a suggestion from a retired superhero, Tick and Arthur get a lead to Lobstercules. Overkill contacts Bradbury who proves surprisingly helpful, Lint tries out her new costume, and Dangerboat tries to set up a movie night date with Arthur.
When Tick and Arthur question Dangerboat about its past, it goes into self-sanitzation mode, trapping the heroes onboard with Dot and Overkill. Lint realizes what she has to do to maintain her cover as a superhero and keep people from realizing who she really is.
Tick and Arthur gain two superheroic allies in their search for Lobstercules. Lint continues her masquerade as Joan of Arc, and Superian gives an interview. It doesn't go well.
Tick and Arthur need Lint's signature to get in and see Lobstercules so they can convince her to reveal that she's sentient. At the AEGIS open house, Dot and Tinfoil Kevin go on the tour while Superian sneaks in unobserved.
Tick, Arthur, and Tinfoil Kevin go after the lobster-napping Donnelly brothers. After a night of celebrating, Dot and Overkill infiltrate the Duke's secret base.
Tick and Arthur take care of Lobstercules' babies while trying to keep their existence a secret from AEGIS. Dot has a heart-to-heart with her stepfather, and Superian seeks out Arthur for more guidance.
The new Flag-5's roster is announced, and Dot and Walter call in Arthur and Tick for help rescuing Overkill. Rathbone learns who the traitor is in his organization, and Arthur convinces Lobstercules to go along with Flexon's legal strategy.
Secrets are revealed as Hobbes reveals the depths of his perfidy, Tick fights Lobstercules, Dot fights Overkill, Rathbone isn't quite as dead as he appeared, Walter tells all to Joan, Kevin reveals his own secret, and someone comes looking for Superian.
