When Simon in his disguise as SuperHoodie saves a geeky comic-book nerd named Peter from getting robbed, Simon finds in Peter a new friend who soon turns into a stalker who endangers his secret identity.

A plan using Curtis's old time-rewind power to assassinate Hitler makes a mess of history and creates an alternate world with a Nazi-occupied Britain.

When a coma victim named Jen manages to switch bodies with Kelly and walk away from the hospital, it's up to the gang to save Kelly's life before the life-support machine is switched off.