Featuring the voices of Reese Witherspoon, Seth Rogen, Hugh Laurie, Will Arnett, Kiefer Sutherland, Rainn Wilson, Paul Rudd, and Stephen Colbert, the film involves a group of misfit monsters hired by the United States Armed Forces to stop the invasion of an extraterrestrial villain and save the world in exchange for freedom.

When a meteorite from outer space hits a young California woman named Susan Murphy (Reese Witherspoon) and turns her into a giant monster, she is taken to a secret government compound where she meets a ragtag group of monsters also rounded up over the years.

Aliens have landed and plan to take over Earth! But they'll face a secret squad of unlikely monster heroes ready to protect the planet and save the day. Watch trailers & learn more.

Monsters vs. Aliens is a media franchise made by DreamWorks Animation. The franchise began with the 2009 film Monsters vs. Aliens and has since grown to include two short films, a television special, a television series, and a tie-in video game.

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Find out how and where to watch "Monsters vs Aliens" on Netflix and Prime Video today - including free options.

When a meteorite from outer space hits a young California woman named Susan Murphy (Reese Witherspoon) and turns her into a giant monster, she is taken to a secret government compound where she meets a ragtag group of monsters also rounded up over the years.

In outer space, a planet explodes, sending an asteroid hurling towards earth. Meanwhile, in Modesto, CA, a woman named Susan Murphy is hours away from marrying a weatherman named Derek Dietl. Before the ceremony, both of them discuss where to go for their honeymoon, either Paris or Fresno.

When an extraterrestrial robot lands on Earth and begins a rampage, Gen. W.R. Monger persuades the president to send Ginormica and her fellow monsters to battle the machine and save the planet.