Ep. 31: Nobita usa um telefone do tempo para trocar itens por antiguidades, causando caos para sua família.

31

Nobita is jealous of Suneo's collection of antiques so has Doraemon use a time cell phone to swap modern things with old things held in a 22nd Century antiques shop. Nobita misuses it and the family find everything of theirs including the house coming from ever earlier time periods. Doraemon tries to put things right but Nobita's family end up with a 22nd Century house whose automation is full of trouble. Nobita appears completely naked as his clothes vanish. This episode is remade in 1986 as "The Time Receiver." (Source: Wikipedia)