
Ben 10 Alien Swarm, released in 2009 as a made-for-TV movie on Cartoon Network, expanded the original Ben 10 franchise with a live-action approach and a darker, more mature storyline. Upon its initial release, the film received mixed reviews; fans appreciated the continuation of Ben's adventures and the introduction of new character dynamics, while some critics found the special effects and acting somewhat lacking compared to theatrical standards. Notably, actors like Justin Welborn (as Psycho 2) and Wilbur Fitzgerald (as Financial Guy in Suit) contributed to the film's unique blend of action and humor. Over time, however, Ben 10 Alien Swarm has gained a dedicated following and is now considered an underrated gem within the Ben 10 series. Fans praise its adventurous plot about Ben and a mysterious girl from his past teaming up to prevent an alien threat from destroying the world, as well as its willingness to take creative risks that have aged better than many similar TV movies. It is fondly remembered as a standout entry that offers more depth than typical franchise extensions.