Chris (Rob Lowe) has taught Champion the dog commands in German and tries to teach Andy (Chris Pratt) how to speak them to the dog. Andy attempts but just speaks gibberish. In real life, Chris Pratt can speak German.
When Donna's lake house is first shown, Ron is paddling past it in a canoe.
Jim O'Heir, who plays Jerry is much younger than depicted here. He turned 50 years old just 19 days before this first aired.
The season (4) and episode (16) numbers coincide with Jerry's leap year birthday, with his birthday landing on leap day every 4 years and this episode cerebrates his "16th" birthday
Chris Traeger (Rob Lowe) does an impression of John F. Kennedy when talking about Champion the dog. Rob Lowe played John F. Kennedy in Killing Kennedy (2013).