When does Galaxy Quest return?

Tim Allen, Sigourney Weaver, Alan Rickman, Tony Shalhoub, Sam Rockwell, and Daryl Mitchell star in 1999. The film is a parody of and homage to science-fiction films and series, especially Star Trek. The cast of the 1980s space-adventure series Galaxy Quest attend fan conventions and make trivial promotional appearances. They are drawn into a real interstellar conflict by aliens who think the series is a documentary and have shaped their society around the show.