Serenity Stars in a Movie that's Really Out of This World It's Life! Camera! Action! for Serenity and her pals when they set out to film their own sci-fi movie, "Terror from the Tarantula Nebula"--a high-adventure thriller complete with aliens, a mysterious princess, and one scary spider. Ever the diva, Serenity steals the scene as she tussles with her friends and feuds with her mom. Can the gang hold it together long enough for the movie to wrap, or will they put Serenity on the first spaceship outta here?