When some very creepy things start happening around school, the kids at Herrington High make a chilling discovery that confirms their worst suspicions: their teachers really are from another planet! As mind-controlling parasites rapidly begin spreading from the faculty to the students' bodies, it's ultimately up to the few who are left – an unlikely collection of loners, leaders, nerds and jocks – to save the world from alien domination.
When a freighter is viciously attacked in the Pacific Ocean, a team of experts -- including biologist Niko Tatopoulos and scientists Elsie Chapman and Mendel Craven -- concludes that an oversized reptile is the culprit.
When guardian angel Seth -- who invisibly watches over the citizens of Los Angeles -- becomes captivated by Maggie, a strong-willed heart surgeon, he ponders trading in his pure, otherworldly existence for a mortal life with his beloved.
When Quinn, a grouchy pilot living the good life in the South Pacific, agrees to transfer a savvy fashion editor, Robin, to Tahiti, he ends up stranded on a deserted island with her after their plane crashes.
When Blade's mother was bitten by a vampire during pregnancy, she did not know that she gave her son a special gift while dying: All the good vampire attributes in combination with the best human skills.
Having never fully recovered from a prom date that became a total disaster, a man finally gets a chance to reunite with his old prom date, only to run up against other suitors including the sleazy detective he hired to find her.