Liz Vassey plays a woman that is supposed to be, at age 47, some 4 years older than Charlie Sheen's character. In fact, Vassey is 7 years younger than Sheen, and was only 38 as of the October 2010 air date, while Sheen was 45.
First episode that doesn't feature all three lead roles. In this case, Angus T. Jones (Jake) does not appear.
Episode title spoken by Charlie, to Alan.
Liz Vassey, who plays Charlie's love interest, was in the show Brotherly Love from 1995 - 1997. Krista Kalmus, who plays her daughter, was in a short film in 2017 also called Brotherly Love.