Trouble Helix

Trouble Helix is the fourth episode of Ben 10: Omniverse.

Major Events

 * Chromastone, XLR8, Articguana and Diamondhead make their Omniverse debuts.

Omnitrix Aliens Debuts

 * Chromastone (Omniverse debut)
 * XLR8 (Omniverse debut)
 * Diamondhead (Omniverse debut)
 * Articguana (Omniverse debut)

Characters

 * Ben Tennyson (11 and 16 years old)
 * Gwen Tennyson (11 years old)
 * Max Tennyson (60 - 61 years old)
 * Azmuth
 * Albedo
 * Blukic
 * Driba

Villains

 * Khyber
 * Khyber's Pet

Flashback Villains

 * Malware

By 16 year old Ben

 * Chromastone (first re-appearance)
 * Articguana (first re-appearance, selected alien was Benmummy)
 * Cannonbolt

By 11 year old Ben

 * XLR8 (first re-appearance)
 * Feedback
 * Four Arms
 * Heatblast
 * Cannonbolt
 * Diamondhead (first re-appearance)

Errors

 * 11-year-old Cannonbolt has the Omnitrix symbol on his chest instead of his forehead

Allusions

 * The title of this episode is an allusion to a double helix.

Trivia

 * Derrick Wyatt's persona and Sari Sumdac were seen as Galvans at the end of the episode.
 * Rook does not appear in this episode.