Jim says to the twins that before they came along the ratio of girls and boys in the house was 3 to 1. Jim forgotten to include Kyle and that would have made the girls-boys ratio pre-twins to be 3 to 2 instead.
Jim and Cheryl have identical twin boys named Jonathen and Gordon.
Jim: Oh, God.
Devil: Guess again.
This was Kimberley Williams-Paisley's last regular appearance as Dana.
Lee Majors played God in the seventh season opener Jim Almighty while James Lipton played the Devil in this episode which ends the seventh season, therefore bookending the season.
Denmark: August 30, 2008 on TV3
Slovakia: February 9, 2013 on Markiza
ABC originally scheduled to air this episode on May 13, 2008.
The Devil and Jim sort of quote the first lines from "Sympathy For The Devil" by The Rolling Stones when they first talk.
The title The Devil Went Down to Oak Park is a spoof of the song The Devil Went Down to Georgia.