Maci listens in this still of Teen Mom OG Season 9 Episode 13.

Amber and Gary attend the reunion and quickly go to war.

The Teen Mom OG cast assemble for the reunion in 2021.

Catelynn and Tyler talk about what's coming for them.

Mackenzie is on the phone with her husband in this clip.

Amber is getting ready after another big bust-up changes things.

Amber tears up over a shocking encounter with Gary.

Cheyenne learns more about Zach as their families urge them to get married.

Maci and Taylor continue to move on with their lives during the pandemic.

Cheyenne is tired of the way Zach is acting following their big announcement.

Cheyenne chats with Ryder through the window of her car.

The Teen Mom OG Season 9 gals in a promo pic from MTV.