Kamen Rider Zi-O S01 E12 My × My Stage 2013

"The legacy of the Heisei Kamen Riders has carried on throughout the era. And now they pass their power on to the next generation! Rejoice, for the birth of a new king!"

Why are there two Sougos?! Sougo is getting scolded constantly by both Tsukuyomi and Woz. Meanwhile, they start to discover that this other Sougo came from a little farther in the future to travel back in time in order to help Geiz! Being vehemently opposed to Sougo's attempts to rescue Geiz, Woz makes his way towards Swartz's lair...