Ben 10: Alien Swarm is the second live-action film based on the Ben 10 series and the live-action adaptation of Ben 10: Alien Force. It was directed by Alex Winter and written by John Turman and Alex Krieg. Released in 2009, it also serves as a sequel to 2007's Ben 10: Race Against Time, also directed by Winter. Though it served as a television film with home release six days following the original broadcast, Alien Swarm had a limited theatrical release in Australia.