Ghost Town

Episode Information
Episode Number: 36

US Airdate: November 20, 2009

Summary
Vilgax springs Zs'Skayr from his prison but Zs'Skayr betrays him and starts to possess the people of Vilgaxia. After his battle with Zs'Skayr Vilgax returns to earth to seek Ben's help. Vilgax, Kevin, Ben, and Gwen travel to Vilgaxia to stop him. Ben comes up with a plan for Ghostfreak to posess his body so his DNA will return to the Omnitrix but Zs'Skayr takes over him and it's up to Vilgax to save his greatest enemy.

Main Characters

 * Ben Tennyson
 * Gwen Tennyson
 * Kevin Levin
 * Zs'Skayr
 * Vilgax
 * Ship

Omnitrix Aliens

 * Humongousaur
 * Swampfire
 * Ghostfreak

Note: When Ghostfreak turned the residents of Vilgaxia into Ectonurites, they had the same appearance of the sun-shielded Ghostfreak from Season 1 of the original series.