Like it's predecessor, 'GX' is an outstanding show. It is set after the events of duel monsters and follows a new protagonist who enters 'duel academy', a school dedicated to teaching people to duel. Much like 'Duel Monsters' over the course of 'GX' you get invested in the characters and their stories, watching them grow as people and duellists. Watching the interactions and relationships built between characters while they undergo various challenges is a great experience. I think to note is that the last season is not 'dubbed'. Personally after watching most of the show 'dubbed' I found it very hard to make the transition to 'subbed'as the new voices didn't fit the characters in my mind.