The most famous boy band and the most famous online game get a bit help from Jimmy Fallon. And rocked the stage by coming together on Tuesday night.

Fallon gets K-Pop impression BTS for taking part in the Fortnite Dance Challenge, in a pre-taped video.

For sure, BTS accepted the challenge.

Everything you need to know about ‘Fortnite: Battle Royale’ Season 6 also entails whether the most popular  South Korean boy band comprising of seven members were able to mimic the crazy dance moves available to players in the combat battle game.

Members J-Hope, Jin, Suga, Jimin, RM, V and JungKook all came to the dance floor, exhibiting their unique robot versions, orange juice, foss, the worm, electric shuffle, boneless and a lot more.

Fallon also engaged himself too in the process, ultimately for learning their particular dance and joined them: the idol.

Later, the group while performing the song on the set of The Tonight Show showed off their moves.  The sang “I’m fine”. Indeed, it turned out to be a great week for BTS.

The Bangtan Boys, their second most called name, presented a speech in New York City at the United Nations, and celebrated for their “Love Myself” anti-violence campaign, on Monday.

“Tell me your story. I want to hear your voice and I want to hear your conviction. No matter who you are, where you’re from, your skin color, your gender identity — just speak yourself,” RM addressed the crowd, presenting a speech on behalf of the band.

BTS week will also be ending on a high.

On Friday and Saturday, the group will play at Newark’s Prudential Center for two sold-out shows. And will get back to the Tri-State Area on Oct. 6 at Citi Field for another sold-out stadium show.

BTS became the global superstars after the release of June 2013 single “No More Dream.”

Love Yourself: Tear, their third studio album, as the first k-pop album made history and top music charts of the United States.

Apart from gaining world domination, BTS set other goals as well. “We want to stay humble and enjoy the ride,” RM told Fallon, Suga adding that they’d like to go to the Grammys one day. “We can dream,” RM told.

The Tonight Show Starring Jimmy Fallon gets aired at NBC on weeknights (11:30 p.m. ET).