The restaurant, The Bistro Garden (renamed "Denise's" for the show), is the same restaurant used in The Office (2005) S6E9, where Michael breaks up with Pam's mom during her birthday lunch.
Jenny O'Hara who plays Dot starred with Chris Messina in the 2010 movie "Devil."
At the end of the episode, Danny says "Can we not do this in front of Bernard King?" referring to a poster on the wall of Danny's childhood bedroom. We can see the player in the poster is wearing the number 15 and is actually Earl Monroe, not Bernard King who wore the number 30.