Ben 10: Alien Force - Season 3 (2009)

Alien Spring Break at a town's Popcorn Festival occurs every 17 years. When one alien goes missing, Max sends the team to find the wayward alien.

An alien girl asks for Ben's help to end a war that's lasted for years.

Ship's owner decides he wants him back and hires some repo men to retrieve him. Ben and Kevin go to court to take care of things legally, leaving Gwen and Julie to face the repo men.

A retriever who specializes in obtaining rare goods comes after the Omnitrix, dimensionally separating the Omnitrix and a part of Ben. Ben is sent elsewhere, fighting to survive, while his friends try to figure a way to bring him back.

A sleeper Highbreed awakens, unaware of the war's resolution, he begins his failsafe mission to destroy the Earth.

Charmcaster wants payback from Gwen. She plots to steal Kevin away from Gwen.

Ghostfreak, loosed, takes over Vilgax's planet, leaving Vilgax to turn for help to only person who has defeated Ghostfreak before - Ben.

Kevin tracks down Darkstar. Darkstar asks for Kevin's help to retrieve an item that could cure both of them.

The team investigates some highly advanced alien technology. They find a box that is more advanced than the Omnitrix. Others desire this technology.

An alien race asks the team to deliver the Tiffin to another race as a peace offering. The Omnitrix changes Ben into a new form that's highly aggressive, which causes other problems on their peace mission.

An undisclosed connection between the Omnitrix and the planet Primus teleports Ben and team to the hidden planet when it comes under threat.

Gwen travels back in time to prevent Kevin and Ben from hacking the Omnitrix. Her actions have unexpected consequences.

A celestial alignment and the true function of a power shard leads Tetrax to throttle ChromaStone right out of Ben Tennyson for a time-sensitive assignment.

The Plumbers' Helpers receive a distress call from Max, followed by a threatening message from Ben to not interfere. Something's wrong, and the Helpers must face off against their hero Ben.

Ragnarok, the villain who killed Kevin's father, is out to complete the mission he started years ago. Kevin is determined to stop him and get revenge.

Vilgax and Albedo team up to defeat Ben, with Albedo armed with Azmuth's latest creation - the Ultimatrix.

Ben's team faces its greatest challenge - taking on Vilgax without the Omnitrix.