Many Happy Returns

Many Happy Returns is the twelfth episode of Ben 10: Omniverse.

Plot
Gwen and Kevin visit Bellwood. Kevin tells Ben that he must hide himself from Princess Loomaas she is hunting him.

Major Events

 * Gwen and Kevin return.
 * Princess Looma and Warlord Gar make their debuts.
 * Four Arms makes his Omniverse debut (by 16 year old Ben).
 * Gwen shows her Anodite form for the first time in Omniverse.

Debuts

 * Princess Looma
 * Warlord Gar

Omnitrix Alien Debut

 * Four Arms (Omniverse debut by 16 year old Ben)

Characters

 * Ben Tennyson
 * Rook Blonko
 * Gwen Tennyson
 * Kevin Levin
 * Argit

Villains

 * Princess Looma
 * Warlord Gar

Aliens Used

 * Rath (accidental transformation; selected alien was XLR8)
 * Bloxx
 * Terraspin (accidental transformation)
 * XLR8
 * Crashhopper
 * Clockwork (accidental transformation; selected alien was Cannonbolt)
 * Shocksquatch
 * Four Arms (first re-appearance by 16-year old Ben)

Errors

 * In one scene, Gwen's shirt was shorter and resembles the shirt that she wears when she's in Anodite form.

Trivia

 * It is revealed that Kevin has a new job.
 * This episode aired in Bulgaria on November 12, 2012.
 * This episode aired in Romania on November 14, 2012.
 * This episode aired in Poland on November 14, 2012.
 * This episode aired in The Netherlands on November 14, 2012.
 * This episode aired in South East Asia on November 18, 2012.
 * This episode aired in Germany on October 20, 2012.
 * This episode aired on Boomerang on November 17, 2012 before its premiere on Cartoon Network in the U.S.
 * This episode aired in the U.K. on November 24, 2012
 * The priest mentions that it is written that Love is a battlefield, which is the title of a song by Pat Benatar.