Wrestle Kingdom in Tokyo Dome (レッスルキングダム in 東京ドーム, Ressuru Kingudamu in Tōkyō Dōmu) (sequentially known as Wrestle Kingdom I) was a professional wrestling pay-per-view (PPV) event co-produced by the New Japan Pro-Wrestling (NJPW) and All Japan Pro Wrestling (AJPW) promotions, which took place at the Tokyo Dome in Tokyo, Japan on January 4, 2007. It was the 16th January 4 Tokyo Dome Show and the first held under the new "Wrestle Kingdom" name. The show marked the 35th anniversary celebration for NJPW, who teamed up with one-time rival promotion AJPW to produce the show. Headlined by two title matches, contested for NJPW's top title, the IWGP Heavyweight Championship, and AJPW's top title, the Triple Crown Heavyweight Championship, as well as the reunion of Keiji Mutoh and Masahiro Chono, all in all, the event featured nine matches.