"the Blacklist" Chemical Mary (no. 143)(2021) Apr 2026

: Mary Bremmer, known as "Chemical Mary," an MIT professor turned chemical weapons dealer. Plot & Key Details

: Liz hires The Freelancer (Alban Veseli) to sabotage a plane's sensors, nearly causing a mid-air collision. Her goal was to "save" Mary from the crash to gain her trust and secure an introduction to Townsend. "The Blacklist" Chemical Mary (No. 143)(2021)

: Provided by Entertainment Weekly , this gives a scene-by-scene breakdown of Liz's betrayal and the N-13 mystery. : Mary Bremmer, known as "Chemical Mary," an

In this episode, Raymond Reddington and the Task Force pursue Mary Bremmer, while Elizabeth Keen executes a complex plan to align with Bremmer's brother, . : Provided by Entertainment Weekly , this gives

If you are looking for written material ("papers") on this episode, these sources provide the most depth:

: Contains the full cast list (including guest star Francesca Faridany as Mary) and audience critical reception. "The Blacklist" Chemical Mary (No. 143) (TV Episode 2021)