The first season of the original series, which premiered in 2005, follows ten-year-old Ben Tennyson as he discovers a mysterious alien watch called the Omnitrix during a summer road trip with his Grandpa Max and cousin Gwen. The device allows him to transform into ten unique alien heroes, sparking a series of battles against intergalactic threats. Season Overview Episodes : 13.
: Ben must master his new powers while evading the evil space warlord Vilgax, who seeks the Omnitrix to build an unstoppable army. Ben 10 - Season 1
: Heroism, responsibility, and the classic family dynamic of bickering cousins during a summer vacation. Episode List Cartoon Network: Classic Ben 10 Season 1 (DVD) - Amazon.com The first season of the original series, which