Watch NJPW G1 Climax 31: Day 18 Full Movie Free Online 123Movies. After a month long journey all over Japan, all eyes are now on the Nippon Budokan and the culmination of the G1 Climax. B Block will be determined in the iconic venue tonight, and along with it, the final will be set, it’s winner getting a ticket to the Wrestle Kingdom 16 main event at the start of NJPW’s half century celebrations.