輝く笑顔！ハッピーたまウィン Kagayaku Egao! Happī Tama-uin (Shining Smiles! Happy Tamaween) is episode 30 of GO GO Tamagotchi. It is a full episode rather than a seperate two part episode.
The annual Tamaween arrives in DoriTama Town. This year, there will be a costume contest. Meanwhile, there is a shy boy from an isolated house in the outskirts of town and Mametchi and the trio suddenly stumble upon him.