Pokémon S25E44 - In the Palms of our Hands!

The members of Project Mew are forced to confront Groudon and Kyogre. Mew reveals itself after disguising itself as the Hoenn Legendaries. Mew launches attacks at the Project Mew team until Go thanks it for inspiring him to set off on his journey. After the Project Mew team has achieved its goal, Go, Tokio, and Shigeru all go their separate ways.