As a proud XX&Zfag I always defended its opening was the best Pokemon opening ever, but I have to admit the last one is stupidly good and probably even better, it's amazing how it takes the lead from the previous, more goofy one, and makes a more serious but still light hearted version that conveys the idea of a fun adventure catching pokemon (Go) AND the quest of a rising star who aims for the top (Ash).
https://www.youtube.com/watch?v=TudIpWuMfAITruly amazing