Naruto Episode 42 -

To see the breakdown of Sakura's mental struggle and the tactical use of the Mind Body Switch Technique, check out these deep dives and reactions:

Ino successfully takes control of Sakura's body and prepares to make her forfeit. However, encouraged by Naruto’s yelling, "Inner Sakura" awakens and forces Ino's spiritual energy out. Naruto Episode 42

Both kunoichi, drained of chakra, charge at each other for one final punch. They strike simultaneously, resulting in a double knockout . Outcome and Impact To see the breakdown of Sakura's mental struggle