S12E46 : Unlocking the Red Chain of Events!

Team Galactic reappears to begin their Red Chain project to achieve Cyrus's goal in capturing the legendary Pokémon of Time and Space, Dialga and Palkia. Their plan was intervened by Looker of the International Police and Team Rocket, thus capturing them. But Meowth of Team Rocket blasts off alone and was saved by Ash, Dawn and Brock. Through Meowth, they came to know about Team Galactic's theme and rescues Looker, James and Jessie, but Team Galactic completes their final plan.