When the Knight Squad's archenemy, Ryker, is unleashed on Swellview, Kid Danger and Captain Man take him down to Burger Castle only to be tricked into joining forces with the villain.

The crossover starts on Knight Squad S02E01 A Knight to Remember (I)

Schwoz invents a vacuum to help Henry clean his house, but it accidentally sucks Charlotte inside; when Henry's family hears Charlotte and thinks the vacuum is haunted, Ray must distract them while Henry finds a way to get her out.

When Charlotte has a dream where she nearly kisses Kid Danger, she actively tries to avoid Henry for fear of the dream coming true.

The gang thinks they have found the perfect tunnels to access all of Swellview, until they are confronted by the tunnels' original inhabitants.

Things get a little buggy when Schwoz installs a new operating system on the Man Cave Computer designed to detect and eliminate threats all over Swellview.

Kid Danger and Captain Man attempt to capture Mob Boss Rob Moss by infiltrating his daughter's the sweet sixteen birthday party.

When Captain Man shows up with a cool new massage chair, Henry, Charlotte, and Jasper compete in a series of physical and mental challenges to see who wins the chair.

Captain Man is being a baby about having a baby. Labor pains leave him helpless so Kid Danger and Piper step up to take on a couple of slick grease thieves.

A new species of moth is eating all the Christmas trees in Swellview, so Captain Man and Kid Danger head over to Neighborville to buy more. On the way back they're attacked by shady tree dealers and have to fight to save Christmas.

Henry and the other kids destroy Ray’s prized movie prop, The Theranos Boot. To replace it, Henry and Jasper travel to an alternate universe Man Cave using Bill Evil’s inter-dimensional transporter and steal their Theranos Boot before Ray finds out.

Captain Man, sick of fighting the same old villains, is convinced to make a profile on a match making app for heroes and villains. Kid Danger agrees to do the same and two of them set up a double-fight to square off with some new villains.

Captain Man's old sidekick and nemesis, Drex, returns from the past with an army of cavemen to finish off Captain Man once and for all. Kid Danger may be the only one who can save Captain Man now.

Kid Danger and his friends try to figure out how to get Captain Man back from the past, while Drex furthers his scheme to erase Swellview's memory of Captain Man forever.

Kid Danger and Captain Man battle Drex on top of a blimp to stop him from erasing Swellview's memory of Captain Man. But when the blimp aims straight for the Swellview Baby Hospital, one hero must stay behind to save the day.