Holly, played by Nicole Sullivan is very pregnant in this episode. In real life, Nicole Sullivan gave birth two days after this episode originally aired.
Arthur was married three times. His first wife was Sophia, Carrie's mother, who died. Second wife was Lily who divorced him. His third wife was Tessie who died.
Lou Ferrigno and his onscreen wife, Carla Ferrigno, are married in real life. The married on May 3, 1980, and have three children together.
Kevin James has swollen red eyes throughout nearly every scene all the way through to the final two scenes which was due to real emotions he felt as the show was ending. It was cleverly handled by adding in the premise of his character having consumed a large quantity of alcohol in the first scene in which the intoxication became the primary focus of all of his actions and dialogue most of the two part finale.
China Syndrome was a 1979 film about a nuclear plant meltdown.