Co-creator Steve Holland spoke to TVLine about the episode and explained why Iain Armitage wasn't brought back despite the holiday being a perfect opportunity to do so. While it might've made sense for the character to return on the first Thanksgiving since his father died, Holland noted it didn't work well with the story they were trying to tell:

Fans of Young Sheldon seemingly missed a pretty big Easter egg featured on multiple episodes of Georgie & Mandy’s First Marriage. Creator Steve Holland confirmed that Georgie's (Montana Jordan) Ford F-150 is the same car that belonged to his late father,

Tune in to “ Georgie & Mandy’s First Marriage ” on Thursday, Nov. 14, at 8 p.m. ET on CBS. Watch the series for free with a trial on Paramount+, Fubo or DIRECTV Stream.

It turns out that all of that speculation about the truck Georgie Cooper (Montana Jordan) has been driving during "Georgie & Mandy's First Marriage" is completely true. That is George Cooper Sr.'s (Lance Barber) truck that he's using.

Georgie & Mandy's First Marriage Season 1 Episode 5 celebrated the first Thanksgiving without George Sr, but was it too sad for a comedy?

Chuck Lorre's "Georgie and Mandy's First Marriage" has been given a full season order at CBS, continuing "The Big Bang Theory" universe.

Georgie and Mandy's First Marriage Season 1 Episode 3 gave some huge hints as to why this relationship will implode. Our review!

A brand new still from Georgie & Mandy's First Marriage reveals the Cooper family gathering for the first time since Young Sheldon ended.