I came across this anime from 1978 called "Chirin's Bell" and I might take inspiration from it to give Grogar a backstory in a future episode of my Post-Season projects:

Inspiration for Grogar's Backstory

Season 12, Episode 7: "I Love Fancy Pants"

Episode Summary: When Rarity accompanies Fancy Pants to an opera in Canterlot, the elite assume that Rarity is in love with him and Rarity must find a way to set the record straight.

Publishing Date: October 10th, 2020

Season 12, Episode 8: "Vaping Vapor"

Episode Summary: During a training mission, Vapor Trail's anxieties get the better of her and she ends up taking a voluntary leave of absence from the Wonderbolts.

Read More

I've gone ahead and created a Tv Tropes page for My Little Pony: Friendship is Magic Season 12 if anyone wishes to contribute tropes to it.

The link is right here: TV Tropes for Season 12