Wizards of Waverly Place (2007)

S2E20 Family Game Night

Alex attempts to cast a spell to swap brains with Harper, but her magic goes awry. Each time she tries, the results are more chaotic, culminating in a mishap that leaves Harper without a brain altogether. As the night unfolds, the siblings must navigate the hilarious consequences of Alex's magical blunders, trying to fix the situation before it spirals out of control. With laughter and a few lessons learned, they discover the importance of thinking things through before diving into magical experiments.