Ben 10: Alien Swarm

Ben 10: Alien Swarm is a 2009 American superhero film directed by Alex Winter and based on Cartoon Network animated television series Ben 10: Alien Force. The film is a sequel to the 2007 film Ben 10: Race Against Time and follows Ben Tennyson (Ryan Kelley) and his cousin Gwen (Galadriel Stineman), who team up with past friend Elena (Alyssa Diaz) to prevent an alien attack on Earth.

Released theatrically on December 4, 2009, the film received mixed reviews from critics, who praised the special effects and faithfulness to the source material but criticized the performances and plot. Nonetheless, the film was a box office success, grossing $95 million against a budget of $40 million.

Box office
Ben 10: Alien Swarm has grossed $58 million in the United States and Canada and $37 million in other territories for a worldwide total of $95 million against a budget of $40 million.

Critical response
On Rotten Tomatoes, the film holds an approval rating of 46% based on 108 reviews, with an average rating of 5.4/10. The site's consensus reads, "Ben 10: Alien Swarm throws around some fun visual effects, but they aren't enough to offset dull performances and a contrived plot." On Metacritic, the film has a weighted average score of 50 out of 100, indicating "mixed or average reviews". Audiences polled by CinemaScore gave the film an average grade of "B-" on a scale of A+ to F.