The fall finale of Law & Order Season 25 is set to bring a high-stakes mystery centered on the murder of a wealthy CEO. Titled “Parasite,” this episode will test the newest detective partnership and spark a legal debate in the courtroom, wrapping up the first part of the milestone season.
Episode Details and Broadcast Information
Law & Order Season 25, Episode 8, “Parasite,” is scheduled to air on Thursday, November 20, 2025, at 8 PM ET on NBC. For viewers who prefer streaming, the episode will be available on Peacock the following day.
Peacock, NBCUniversal’s streaming service, offers different subscription tiers. The ad-supported plan starts at $10.99 per month, while the ad-free Premium Plus plan is $16.99 per month.
This episode serves as the fall finale for the show’s 25th season. After this episode, Law & Order will go on a hiatus. New episodes are scheduled to return on Thursday, January 8, 2026, on NBC.
The Case of the Murdered CEO
The episode’s plot focuses on a complex investigation. When a rich CEO is murdered the night before his wedding, detectives Vincent Riley and his new partner, Theo Walker, are assigned to the case. The investigation quickly reveals that a key to solving the crime lies within the details of the victim’s will.
Meanwhile, in the legal arena, Assistant District Attorneys Nolan Price and Samantha Maroun find themselves at odds. They disagree on the strategic benefits and potential drawbacks of damaging a suspect’s reputation during the court proceedings.
Main Cast and Characters
The fall finale will feature the core cast of the series, including:
- Reid Scott as Detective Vincent Riley
- David Ajala as Detective Theo Walker
- Tony Goldwyn as District Attorney Nicholas Baxter
- Hugh Dancy as Assistant District Attorney Nolan Price
- Maura Tierney as Lieutenant Jessica Brady
- Odelya Halevi as Assistant District Attorney Samantha Maroun
The episode will also feature a list of guest stars, such as Brian Dole as Paul Gladstone, Allen Fawcett as Bob Gladstone, and Margaret Anne Florence as Amanda Gladstone Nestor.
A New Detective Partnership
Episode 8 continues to explore the dynamic between Detectives Riley and Walker. Their partnership began in the previous episode, “Guardian,” which aired on November 13, 2025. That case involved the murder of a high school basketball star and revealed Walker’s tendency to work as a lone wolf, a habit that Riley immediately cautioned him against.
The arrival of David Ajala’s character marks a significant shift for the squad room this season, following the departure of Detective Jalen Shaw, played by Mehcad Brooks. Showrunner Rick Eid mentioned the approach for this landmark season involves digging deeper into the personal lives of the main characters.
“We have a terrific cast,” Eid said. “It’s still a Dick Wolf series: muscular, procedural, focused on topical stories and ethical and moral dilemmas. But we’re trying to just dig a little bit deeper into the personal lives of our regulars.”
How to Catch Up on Past Episodes
For fans looking to catch up on the 25th season or revisit earlier cases, Peacock is the primary streaming home for the Law & Order franchise. The platform currently offers Seasons 13 through 20, Season 23, and Season 24 of the original series. Every season of Law & Order: Special Victims Unit and Law & Order: Organized Crime is also available for streaming on Peacock.
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