Grandpa In My PocketSeries 4Episode 19: Billy Bentice the ApprenticeCBeebiesFirst broadcast: Thu 20th Mar 2014, 17:30 on CBeebiesLatest broadcast: Mon 13th Nov 2017, 12:30 on CBeebies HDChildren's comedy about a grandpa who can magically shrink. Mr Mentor the inventor has a bright new pupil, Billy Bentice. Show more ContributorsGrandpa:James BolamJosh:Harvey ThornAuntie Jules:Zara RammMr Mentor:Alan McMahonBilly Bentice:Meilir Rhys WilliamsDirector:Iain McLeanExecutive Producer:Michael TownerWriter:Mellie BuseWriter:Jan PageProducer:Mellie BuseProducer:Jan PageGenresChildren'sEntertainment & ComedyLearningPre-SchoolBrandGrandpa In My PocketSeriesGrandpa In My Pocket: Series 4 Source: BBC Online
