"The Walking Dead" Season 11, Episode 18, titled "A New Deal," centers on a fragile, chaotic truce between survivors and the Commonwealth, resulting in a pivotal political shift. The episode highlights Sebastian's downfall during a public riot and a significant emotional, and ultimately violent, climax within the community. For an in-depth review, read the analysis at Den of Geek . 'The Walking Dead' Season 11, Episode 18 Review - Forbes