The episode centers on preparing to move out and head to college. While Eric’s journey toward independence is a major milestone, the emotional weight is carried by Cory , whose anxieties about his brother leaving manifest as uncharacteristic anger and fighting.
Like many later-season Eric plots, the character fluctuates between "goofy creepiness" and "complete seriousness," which some viewers find imbalanced. Verdict Boy Meets World - Season 3Eps22
Some fans have noted a jarring lack of continuity from the previous episode (where Eric was helping Cory win back Topanga at Disney World). In "Brother Brother," Cory claims Eric has "never been there for him," which contradicts their supportive dynamic just one episode prior. The episode centers on preparing to move out