A new season of Pokémon GO starts in September 2023 and Trainers can still face off against Team GO Rocket Leader Arlo. The new Season brings with it new Pokémon for Trainers to catch, but Team GO Rocket still poses a problem. Arlo offers a tougher test than facing the regular Rocket Grunts, and Trainers need to be prepared for a number of options that he could bring to battle.