The Imagination Stage presents Callisto 5, by Alan Ayckbourn. Boredom--there's nothing worse for a teenager. Or is there? Take Jem, a 17-year-old who's been stranded for a decade while his parents are out fixing Jupiter's space station. His nanny robot, still programmed to sing him nursery rhymes and make him eat up his macaroni and cheese, is useless when one night.a space alien attacks the ship. Jem draws on all his video game skills and more in the fight of his life! A spine-tingling thriller. Directed by Eric Johnson. There will also be weekday spring break matinees March 25, 28 and April 1 at 1:30 PM. *Recommended for ages 9 and up.