Season 1
(2008)
Cast
as Ben Tennyson (voice)
as Kevin Levin (voice)
as Swampfire (voice)
as Gwen Tennyson (voice)
Episodes
Ben 10 Returns (1) 8.8
April 18, 2008
Ben discovers that the Forever Knights are trading weapons with the DNAliens, while at the same time, Grandpa Max has m…
Ben 10 Returns (2) 8.0
April 18, 2008
Ben, Gwen, and Kevin follow a lead that takes them to a secret base in the desert. There they hope to find Grandpa Max …
Everybody Talks About the Weather 8.0
April 26, 2008
Gwen discovers that Grandpa Max's badge is able to signal other Plumbers. However, by using it, they meet up with a fam…
Kevin's Big Score 7.3
May 3, 2008
Kevin shatters Ben and Gwen's trust when he steals the Rust Bucket to sell for alien technology on the black market.
All that Glitters 9.0
May 10, 2008
Grandpa Max leaves Ben a series of instructions to contact a team of heroes. Things go the wrong direction when they so…
Max Out 7.5
May 17, 2008
Gwen's older brother, Ken, is suddenly missing. As they look, they encounter a surprise leading to a shocking secret fr…
Pier Pressure 8.0
May 31, 2008
While Ben has a date with Julie, it is soon ruined when an alien named Ship makes trouble at the local fair.
What Are Little Girls Made Of? 8.0
June 7, 2008
When Ben and Gwen learn that their grandmother Verdona is an alien being, Verdona insists that Gwen should come along w…
The Gauntlet 7.5
June 14, 2008
When Ben stands up to Cash and JT, they soon discover a robotic gauntlet from Kevin's vehicle. With it, Cash decides to…
Paradox 8.5
July 5, 2008
A time experiment in the 1950s sends a bizarre monster to Ben's time. Now Ben, Gwen, and Kevin must team up with Parado…
Be-Knighted 7.0
July 12, 2008
The Forever Knights secure a weapon in hopes of aiding them slay a dragon they have held captive.
Plumber's Helpers 7.5
July 19, 2008
Freelance young Plumbers mistake Ben and his team as a threat.
X = Ben + 2 8.0
August 31, 2008
An alien emperor plans to destroy the planet Earth for kidnapping his daughter. In order to save the planet, Ben must u…