The device that Dr. Givens uses to open the time travel portal is actually a sound pressure level decibel meter.
Lonn says to Pratt, "What say we stalk the wild anchovy?" when asking her if she wants to get a pizza. This is a reference to the popular 1962 book "Stalking the Wild Asparagus" by Euell Gibbons.
The title is from the old proverb: "A stitch in time saves nine."
This episode takes place on August 12, 1966, from July 15 to July 18, 1996, on February 16, 1980 and on October 28, 1976.