Everyone's Counterattack is the 24th episode of the Katekyo Hitman Reborn! anime.
Gokudera runs into Chikusa and Ken and faces them but is defeated. He figures out Hibari is behind a wall and blasts it free, letting Hibari easily defeat the two. Tsuna tries to snap Futa out of Mukuro's control and does so, causing Futa to collapse. Hibari arrives and defeats Mukuro, but Mukuro appears to have possessed Bianchi.