The film takes place in 1955, 1963, 1973 and 1978.
The brother called Philip was way too normal for the TV series and was rewritten as the rather dim Vinton.
When asked what he thought upon seeing Mama in her casket, Phil answered: "We should've had her frozen." The head of co-writer Dick Clair is cryogenically preserved.
Co-writer Dick Clair, like Phil Harper, advocated cryogenics. Upon seeing Mama in her casket, Phil thought, "Should've had her frozen." After Clair died, his head was preserved by freezing.
During the segment of the movie that takes place in 1973, Eunice and Mama has a discussion about Eunice's friend, Naomi. It is unclear if it is the same Naomi that would later appear as Naomi Oates, who goes on to marry Vinton Harper on Mama's Family.