Imagination, if not entertaining actual fantasy, is a standard moviemaking staple. The question always is, does it work? On this week’s show, Dan Webster, Nathan Weinbender, and Mary Pat Treuthart discuss a trio of movies that, each in its own distinctive way, explore the realms of imaginative fantasy—some, as always, better than others. The films are the theatrical releases “Inside Out 2” and “Tuesday,” followed by the streaming documentary “Brats.”