According to Jim: Season 5, Episode 16
Get Your Freak On (21 Feb. 2006)
TV Episode | TV-PG | | Comedy
Dana and Cheryl shop at a sex toy party hosted by Bernice. Meanwhile, Jim brags how their sex life is as good as 15 years earlier. The next day, Andy and Ryan are all giggly, and Jim becomes anxious to see what Cheryl bought.