Zathura: A Space Adventure is a 2005 American science fiction action-adventure film directed by Jon Favreau. It is an adaptation of the 2002 children's book Zathura by Chris Van Allsburg, author of the 1981 children's book Jumanji. It is a standalone spin-off of the 1995 film Jumanji and the second installment of the Jumanji franchise. The film stars Josh Hutcherson and Jonah Bobo as two squabbling brothers who find a mysterious board game in the basement which transports their house into outer space, and must survive and finish the game in order to return home. Dax Shepard, Kristen Stewart, and Tim Robbins are also among the cast.