At the end of the episode Adult Sheldon says he would remember Dr. Sturgis's lesson about making mistakes "If I ever make one." In The Hawking Excitation (2012) he would make an arithmetic mistake in a paper he presents to Stephen Hawking, and a measurement mistake that makes him think he has discovered a new element.
The 'thought for the day' on the sign outside the church in this story says, "Need a lifeguard? Ours walks on water."
The young newlywed woman is played by Megan Park. Her husband Tyler Hilton played on One Tree Hill (2003) along with Barry Corbin who plays Mr. Gilford.