Ep. 12: Flash of the Titans!

12

Professor Cerise gives Ash and Goh tickets to the World Coronation Series, which is being held in Wyndon (a city in the Galar region). Ash and Goh discover that Dynamax can be controlled during the final battle between Lance and Leon, in which Leon's Charizard defeats Lance's Gyarados. Meanwhile, Team Rocket attempts to capture a Drednaw by battling it with a Bellsprout, but Drednaw then goes into Gigantamax form and goes on a rampage. (Source: Wikipedia)