When Sarah Niles got the role of Doctor Sharon, she didn't know how to ride a bike. Since it was important to the plot of the show, she had to have her friends teach her.
When the team walks into Wembley Stadium, Coach Lasso tries to encourage them by pointing out that the pitch is the same size as the one back home. This is what Gene Hackman does in the movie Hoosiers (1986) when they arrive at the Butler Fieldhouse for the state championship game. (Unlike in Hoosiers, the Wembley pitch was actually larger)
Mike Dean is an actual referee (now retired) playing a cameo of himself.
When Coach Beard heads off at the end of the episode, Coach Lasso says, "Hey Coach, bird by bird" which is a reference to Anne Lamott's book "Bird by Bird: Some Instructions on Writing and Life."
As Dr. Fieldstone is watching TV while Ted checks on her, she overhears the presenters of "Lust Conquers All" mentioning Danthony as a winner of past season. He is the man who was in a ballot with Jaime for elimination in Lavender (2021), which means he eventually won the season.