TMDB 6.22009• 1h 30m
Ben and a mysterious girl from his past must prevent an alien threat from destroying the world.
Cast
![Ryan Kelley](https://image.tmdb.org/t/p/w185/dn7R7p0YIY3VjCIRwIzRrEuwPwq.jpg)
Ryan Kelley
Ben Tennyson
![Galadriel Stineman](https://image.tmdb.org/t/p/w185
/cW0xP0I2QC0JCD8tItquX73VeiB.jpg)
Galadriel Stineman
Gwen Tennyson
![Nathan Keyes](https://image.tmdb.org/t/p/w185
/dAsWY6IQfeL8KdTKqN2uCHyC61S.jpg)
Nathan Keyes
Kevin E. Levin
![Alyssa Diaz](https://image.tmdb.org/t/p/w185
/nUWjDdSvhcTX25CuheDFhCGEWqk.jpg)
Alyssa Diaz
Elena Validus
![Herbert Siguenza](https://image.tmdb.org/t/p/w185
/aVLX3sRMZp1qIfqCRHgjjy2NfGI.jpg)
Herbert Siguenza
Victor Validus
![Barry Corbin](https://image.tmdb.org/t/p/w185
/vcHtLrUmfyT1KiuBqmLdXA3luPJ.jpg)
Barry Corbin
Grandpa Max Tennyson
![Dee Bradley Baker](https://image.tmdb.org/t/p/w185
/9oFnToDZWp0I484s7Ua1EzNQQ2m.jpg)
Dee Bradley Baker
Big Chill / Humongousaur (voice)
![Alex Winter](https://image.tmdb.org/t/p/w185
/sigaiLM3OtOKXaXNoIqUoZjuE6f.jpg)
Alex Winter
Nanomech (voice)
![Wendy Cutler](https://image.tmdb.org/t/p/w185
/uUVOCFgkyJxZpQKDqrFAxJyiedc.jpg)
Wendy Cutler
Alien Chip Queen (voice)
![Patrick Cox](https://image.tmdb.org/t/p/w185
/rliO8xQnDo1ncEKTJXG5Fenwfso.jpg)
Patrick Cox
Big Ed