When Erica ambushes Geoff Schwartz on his date, she is wearing a yellow top. Before the commercial break there is a shot of Erica from behind revealing a "bed sheet strap" attached to her shirt that is being used by the wardrobe department to keep the shirt tight. No woman would wear this out in public so it must be a production error the camera wasn't meant to see.
This takes place in the 1980s, yet a lacrosse helmet from the mid-2000s is pictured.
When Murray and Beverly are having a frank discussion, they are at their new shore house, and the sun is setting over the ocean. The problem is that their shore house is on the East Coast, which means it's impossible for the sun to set over the ocean; it only does so on the West Coast. The sun rises in the east.