Continuity mistake: Becky's braces disappear and reappear during shots in the kitchen.
Audio problem: When Becky runs down the stairs and yells "Mom!" you can hear the echo throughout the sound stage.
Lovers Lanes - S1-E6
Continuity mistake: Dan tells Crystal that his shoe size is 11. A few months later during episode 16, "Mall Story", Dan tells a shoe salesman he takes a size 13.
Suggested correction: Some people wear different sizes depending on the type of shoe. Not necessarily a mistake.
Continuity mistake: When Dan heads back to the bar after hitting the drywall with his hammer, Roseanne goes there to find him. While they're talking, we see a crooked painting to Dan's left, and a lamp hanging straight. Then, in the next shot, suddenly the painting has been straightened, and the lamp is crooked. (00:17:55)
Canoga Time - S1-E11
Audio problem: When Dan and Roseanne start throwing things in the yard, you can hear it's not hitting grass or a porch, it's hitting a floor (from the set it was filmed on).
Other mistake: The episode where Dan's dad visits and says he invented the rear windshield wiper he says Dan was 3 years old and Audrey was 8 months pregnant, but Dan's an only child.
Continuity mistake: Roseanne comes home and the kitchen cabinets are not painted/plain wood. In the very next shot from a different angle, the cabinet doors are painted.
Continuity mistake: After Booker announces the overtime, Roseanne asks Jackie for a quarter. Jackie takes her glove off her right hand. In the next shot, Jackie reaches into her purse and takes her glove off her right hand a second time, before getting a coin out of her coin purse.
Toto, We're Not in Kansas Anymore - S1-E20
Revealing mistake: As the Connors are watching the news on TV regarding the tornado, afterwards, sirens are heard and Becky and Darlene run to look out the window. Becky looks towards the window before the sirens are heard.
