From January to March 2011, he performed under the name Okato on TNA's primary television program, Impact!, as Samoa Joe's sidekick in his rivalry with D'Angelo Dinero.

[10] The following day, Okada and Último Dragón unsuccessfully challenged Alex Shelley and Chris Sabin for the NWA International Lightweight Tag Team Championship.

[18] On March 20, Okada made his debut for Jersey All Pro Wrestling (JAPW) at Wild Card VI, where he was defeated by fellow TNA wrestler Samoa Joe.

[31] On January 20, 2011, Okada turned into a fan favorite as he made his second appearance on Impact!, when he was revealed as the camera man whom Samoa Joe had hired to follow D'Angelo Dinero in order to expose his lies about helping the needy.

[41][40] In October 2017, it was reported that while representatives of the American promotion, now known as Impact Wrestling, were visiting Japan, attempting to revive the relationship between their company and NJPW, they specifically apologized to Okada for his treatment.

[42] On December 14, 2010, NJPW announced that Okada would be returning to the promotion on January 4, 2011, at Wrestle Kingdom V in Tokyo Dome, where he would team with Hirooki Goto against Noah representatives Takashi Sugiura and Yoshihiro Takayama.

[43][44] On December 23, he made a surprise return to the promotion, performing a German suplex on Takayama, after a match where he and Minoru Suzuki had defeated Yuji Nagata and Wataru Inoue.

[54] At the following day's press conference, where the title match was made official, Okada revealed that he had joined Chaos, NJPW's top villainous stable, enlisting new stablemate Gedo as his manager and spokesperson.

[60] On May 3 at Wrestling Dontaku 2012, Okada defeated 2012 New Japan Cup winner and reigning IWGP Intercontinental Champion Hirooki Goto to make his second successful title defense.

[65][66] Breaking Masahiro Chono's record for the youngest G1 Climax winner in history, Okada announced that he wanted his shot at the IWGP Heavyweight Championship on January 4, 2013, at Wrestle Kingdom 7 in Tokyo Dome.

[67] Okada signed a contract for the Tokyo Dome match on September 6, making him the official number one contender to the IWGP Heavyweight Championship at NJPW's biggest event of the year.

Later in the event, after Hiroshi Tanahashi had successfully defended the IWGP Heavyweight Championship against Yujiro Takahashi, the Tokyo Dome title match between him and Okada was made official.

[73][74] From November 20 to December 1, Okada took part in the round-robin portion of the 2012 World Tag League, alongside stablemate Yoshi-Hashi under the team name "Chaos Ride the Lightning".

[88] On March 23, Okada first defeated Chaos stablemate Toru Yano in the semifinals and then Hirooki Goto in the finals to win the 2013 New Japan Cup and once again become the number one contender to Tanahashi's IWGP Heavyweight Championship.

[106][107] On August 18, Okada made a rare appearance outside of NJPW, when he took part in the DDT Pro-Wrestling promotion's annual Ryōgoku Peter Pan event, defeating Kota Ibushi in a special non-title match.

[131][132] On May 3 at Wrestling Dontaku 2014, Okada's thirteen-month reign as the IWGP Heavyweight Champion came to an end, when he lost the title to Styles in his ninth defense, after Yujiro Takahashi turned on him and Chaos and joined Bullet Club.

[194][195] Okada then entered the 2017 G1 Climax, where he finished with a record of six wins, one draw and two losses,[196] failing to advance to the finals due to losing to Kenny Omega in their third match against each other on August 12.

Okada defeated Gedo in the first round of the New Japan Cup, followed by subsequent victories over Yuji Nagata, Taiji Ishimori, and Hiromu Takahashi, before losing to Evil in the final.

[223] Following Will Ospreay relinquishing the IWGP World Heavyweight Championship after Wrestling Dontaku, Okada faced Shingo Takagi at Dominion 6.6 in Osaka-jo Hall in a losing effort for the vacant title.

[224] After winning the G1, Okada requested that, instead of the usual briefcase and contract for the title shot at Wrestle Kingdom, he be awarded the former IWGP Heavyweight Championship belt which Ibushi had retired earlier in 2021.

[228] Okada once again teamed with Tanahashi alongside Tatsumi Fujinami to defeat Zack Sabre Jr, Minoru Suzuki and Yoshiaki Fujiwara, at the NJPW 50th Anniversary Show on March 1.

Later that night, Okada confronted Jay White, after he successfully defended the IWGP World Heavyweight Championship, setting up the main event for Wrestle Kingdom 17.

[245] Okada lost the IWGP World Heavyweight Championship at Sakura Genesis to New Japan Cup winner Sanada, ending his second reign at 94 days.

[247] At the Dominion 6.4 in Osaka-jo Hall event on June 4, Okada, Ishii and Tanahashi successfully defended the NEVER Openweight 6-Man Tag Team Championship against Blackpool Combat Club (BCC) (Jon Moxley and Claudio Castagnoli) and Shota Umino.

[256] Okada, Tanahashi and Ishii continued defending their Never Openweight 6-man tag-team Championships, defeating Impact Wrestling's, Motor City Machine Guns (Alex Shelley and Chris Sabin) and Josh Alexander, at Destruction in Ryōgoku in October.

[261] On January 24, after successfully defending the NEVER Openweight 6-Man Tag Team Championship against TMDK (Kosei Fujita, Mikey Nicholls, Shane Haste), Okada decided to vacate the titles, due to him leaving NJPW, ending their reign at 266 days.

[263][264][265] Okada wrestled his last match as a NJPW talent on night 2 of The New Beginning in Sapporo, teaming with fellow Chaos members Hiroki Goto, YOSHI-HASHI, Tomohiro Ishii, and Toru Yano, in a winning effort against United Empire and Matt Riddle.

[271] On the March 6, 2024 episode of Dynamite, Okada returned to AEW, now as a signed talent, turning heel and joining The Elite when he attacked Eddie Kingston, siding with the Young Bucks.

[276] At Double or Nothing on May 26, The Elite defeated Team AEW (Bryan Danielson, Darby Allin, and FTR (Cash Wheeler and Dax Harwood)) in an Anarchy in the Arena match.

[289] Okada, along with fellow NJPW wrestlers Hiroshi Tanahashi, Hiroyoshi Tenzan, Satoshi Kojima, Tetsuya Naito and Toru Yano, appears as a member of the gang Justis in the 2016 video game Yakuza 6: The Song of Life.