Linda Lavin, who plays Gregory's mother, appears six episodes after Ellen Burstyn guest starred as Bonnie's mom. Linda Lavin also followed Ellen Burstyn in the 1970s. Lavin played the lead in "Alice," which was the TV iteration of "Alice Doesn't Live Here Anymore," for which Burstyn won an Oscar playing the same character.
Phyllis brings over a bottle of wine and they go to open it in the kitchen. However, when Bonnie and Christy meet Gregory, they don't have a corkscrew to open the bottle of wine