13:20AlphablocksSeries 1Episode 15: UFOCBeebies Thu 13th Sep 2012, 13:20 on CBeebiesA stargazing trip leads to a close encounter with some unusual visitors...ContributorsPresenter:Teresa GallagherParticipant:David HoltParticipant:Lizzie Waterworth-SantoExecutive Producer:Joe ElliotDirector:Adam ShawProducer:Sioned Wyn RobertsProduction Manager:Ruth LilleyWriter:Max AllenWriter:Joe ElliotWriter:Neil RichardsWriter:Maurice SucklingWriter:Emma CollinsGenresChildren'sEntertainment & ComedyLearningPre-SchoolFormatsAnimationBrandAlphablocksSeriesAlphablocks: Series 1 Source: BBC Online