Charlie Sheen's last episode before being fired by Warner Bros. on March 7, 2011. He was replaced with Ashton Kutcher.
This episode is the last to earn an IMDb rating above 7.0 for the rest of the series. With Charlie Sheen being fired, ratings tanked and never recovered. Ratings bounced around in the 5-6 range, with the final episode falling to 3.8. Prior to the Sheen departure, ratings were consistently in upper 7s and mid-to-upper 8s.
Last episode of the series to feature Charlie Harper until the series finale, during which the character was shown only from the back.
In the opening scene, Dakin Matthews portrays a Catholic priest. From 1960 - 1963, Matthews studied and received a degree in Catholic Theology at Rome's Gregorian University and at the Vatican, with the intent of becoming a Catholic priest.
A picture of the historic Mission Santa Barbara appears as "the church" that Alan seeks out to make his confession. Santa Barbara and Malibu are approximately 60 miles, and a whole freeway, away.