A Puppet Walks Into a Bar (S03E06)

The group discovers that Mike, who is actually played by Bianca Kajlich’s husband Mike Catherwood, plans to propose to Leslie. Danny is given the job of keeping Leslie occupied, but during their conversation, he learns that she feels Mike is more invested in their relationship than she is. In a moment of weakness, Danny spills the secret about the engagement ring, which leads to Leslie's frustration and anger.