Tenkai Knights is a 2013 Japanese-Canadian-American anime series, produced by Shogakukan Productions and Spin Master. Initial reports, according to Anime News Network, indicated the series was being animated by Bones, according to an entry on Studio Wanpack's Blog back in May 2013, although has been since removed. While the series was broadcast on Cartoon Network in the United States in August 2013, there is no word as to when the series will air in Japan.

Riki Ryugasaki is a school boy in this town. He wants to be an adventurer when he grows up and his favorite word is “mystery.” Riki has a lively personality, but can be a bit of an airhead at times - he marches to the beat of his own drum. One day Riki is taken to his first B-Daman event by his friend and classmate, Sumi Inaba. Although he doesn’t participate as a player, Riki’s natural curiosity sparks an interest towards B-Daman. And when Riki hears an urban legend about “a secret B-Daman tournament (a tournament that only a very selected group of players are allowed to participate)” spreading amongst the children of the town, he realizes that there is something very mysterious and exciting about B-Daman...

Hibiki Kazaguruma, a sixth grader, meets an amusing little robot named Breakin while coming home from school one day. Breakin, a dancer from an alternate-dimension dance world, challenged the Dance King for the throne and lost. He has been deprived of Dance Stones (crystals containing the powers of different forms of dance) and sent to the human world. To restore his power, Breakin must collect all the Dance Stones scattered around Earth.