S1, E3: It’s a big day for Lupi! He’s just lost his first baby tooth and he can’t wait to give it to the tooth fairy. But after accidentally dropping his tooth down an air vent, Lupi’s hopes of meeting the tooth fairy quickly become only a dream. Good thing Junior, Mimi, Kate, and Theo are there to help as they go on an imagination destination adventure to visit a dentist. Come along with Junior, Lupi and the rest of the gang in this fun filled episode of Junior On The Joband discover all the amazing things that dentists do to help keep our teeth happy and healthy. Who knows, Lupi might even get a second chance to meet the tooth fairy with a brand new loose tooth.