When Tamagottsun Ends (たまごっつんが終わるとき Tamagottsun ga owaru toki) is episode 49 of GO-GO Tamagotchi!, and is episode 270 overall. It is a full episode rather than being two separate stories. It initially aired on the 19th of March, 2015.
Mametchi came up with a strategy to cheer up Tamagotchi Planet, who is mourning the end of the Tamagottsun. Also, a clue related to the Tamagottsun is found at Mame Mame Observatory. Tamagottsun effects are frequently happening in various places with a voice saying, "Gottsun". It seems that the Tamagottsun has peaked. Among all this, a mysterious voice calls Mametchi to prepare for operations.
- This is episode take places after part 2 of episode 48.