An American Benwolf in London

An American Benwolf in London is the forty-fourth episode of Ben 10: Omniverse.

Plot
Ben and Rook are called to London to investigate the Forever Knights' latest activities.

Major Events

 * Kai Green and  Wes Green make their Omniverse debuts.
 * Blitzwolfer make his Omniverse debut.
 * It is revealed that the Excalibur is real and that Dr. Jekyll and his Mr. Hyde Formula were real too.

Omnitrix Alien Debut

 * Blitzwolfer

Characters

 * Ben Tennyson
 * Rook Blonko
 * Kai Green (first re-appearance)
 * Wes Green (first re-appearance)

Villains

 * The Forever Knights
 * Joseph Chadwick
 * Sir Morton
 * Forever Ninja
 * Twin Knights

Aliens Used

 * Four Arms (x2)
 * Blitzwolfer (first re-appearance)
 * Humungousaur

Errors

 * When Hummongosaur battled the Forever King, one of the spikes of the Forever King's clothes were missing

Allusions

 * This episode title is a play on the movie An American Werewolf in London.
 * The building where  Rook, Ben, and Kai were investagating was named, Howl's Moving and Storage, which is a play on the movie, Howl's Moving Castle. Also on the sign is the fire demon Calcifer from the movie.
 * The angle statue in the cemitary bares resemblance to the Weeping Angle from Doctor Who.

Trivia

 * This episode was originally named Moonlighting.
 * Ben renames Benwolf Blitzwolfer in this episode, after seeing Wolf Blitzer on the television.