Other mistake: When Bev boards the train, there is a yellow ramp from the platform to the car. It is never removed, but isn't there when the train begins to move.
The Conners (2018)
1 mistake in season 6 - chronological order
Starring: John Goodman, Laurie Metcalf, Sara Gilbert, Alicia Goranson
Genres: Comedy
The Dog Days of Christmas - S5-E10
Trivia: Jane Curtin, who plays Louise's mom, is only six years older than Katy Sagal (Louise).