- Actor Allusion: Jason Alexander plays Sheldon's drama teacher, and throughout the episode he does song-and-dance numbers. Alexander himself is an accomplished Broadway performer.
- Mckenna Grace previously played an child progeny on Gifted.
- The Other Darrin: Justified Trope as this is a prequel.
- Real Song Theme Tune: "Mighty Little Man" by Steve Burns. Yes, that Steve Burns.
- Where the Hell Is Springfield?: Medford is a fictional town, somewhere in East Texas. It sounds similar to Bedford, a suburb in the DFW Metroplex. However, Sheldon mentions that his phone number is in the 409 area code, placing it nearnote Huntsville, Lufkin, or Beaumont.
- You Look Familiar: Sheldon's father George Sr. is played by Lance Barber, who'd previously played Leonard's childhood bully Jimmy Speckerman on The Big Bang Theory.
- And Sheldon's music teacher was also in The Big Bang Theory as Mandy Chow.
- Vernee Watson, known as Althea on TBBT, once again portrays a sassy nurse in this show as well.
Trivia / Young Sheldon