Virtual Space (仮想空間) is the 120th episode of the Katekyō Hitman Reborn! anime series.
Tsuna needs to be placed in battle so the contacts can be adjusted for the X-Burner. Tsuna puts on gear that puts him in a virtual space to fight Moskas; he could die if he dies in that space. Later, Shoichi Irie moves the base again and places a virus in the virtual space and Tsuna must defeat it.