Perfect Day

S4, E1: Ben thinks he's having "the perfect day" only to realize he's been put in a dream world by Enoch and the Forever Knights who are after the Omnitrix. Ben's "dream world" soon becomes a nightmare world, with Ben forced to live out his ultimate terror…being stuck at school! But with Max and Gwen's help, he’s able to vanquish his nightmare foes and re-enter the real world where he takes down Enoch…only to reveal an even more powerful knight...The Forever King.