The waltz being played in the pre-credits sequence at Audra's birthday party is a variation of the show's theme music.
In this episode it's learned that Nick is older than Heath, and the first time Heath called him "Big brother".
The ranch of the Barkley's Friends is the same set used for the movie Shenandoah.
Robert Walker, who played Evan, is the son of actress Jennifer Jones, who won the best actress Academy Award in for her role in the 1943 film "Song of Bernadette".
It seems odd that, at his late age, Jarrod is just hearing the story of how Wally helped Victoria when she gave birth to him.,