According to Jim - Separate Ways

Seizoen: 6 - Aflevering: 10 / 138 - Eerst uitgezonden: 07 maart 2007 - Episode ID: 5795

While Ryan is away, Dana and baby Tanner are staying at Jim and Cheryl's, until Jim starts complaining about the presence of the baby, so Cheryl wants him to stay at Andy's for a while. While Jim and Andy enjoy their male bonding, Cheryl and Dana are enjoying their time together too. At least, until Ryan returns.