The crossover starter. Parker is accused of a crime he didn’t commit, forcing him to go on the run with Tennant. The episode balances high-octane action with the humor of Parker trying to explain the differences between FBI, NCIS, and Navy protocols.
: Their relationship deepens throughout the season, though they face hurdles like Jimmy's competitive streak with a college rival and a surprise confession that complicates their future.
Season 20 effectively set the table for (which premiered in February 2024). It established that the team is confident, capable, and no longer living in Gibbs’ shadow. It also proved that NCIS is not just a show about one man—it is a show about a family. ncis season 20
The season opened with a high-stakes investigation into "The Raven," a dangerous criminal who had framed Parker for murder. This arc concluded with a two-part crossover event with NCIS: Hawaiʻi , where Parker's ex-wife, Vivian (Teri Polo), assisted the team in clearing his name. Other notable storylines included:
| Episode | Title | Why It’s Interesting | |---------|-------|----------------------| | 1 & 2 | A Family Matter / Daddy Issues | Two-part premiere. Parker’s ex-wife is kidnapped; reveals his emotional vulnerabilities. | | 6 | The Good Fighter | Parker’s partner Larry returns – a tense, morally gray showdown. | | 10 | Too Many Cooks | Fun bottle episode – a dinner party at McGee’s turns into a murder investigation. | | 15 | The Hat | Parker wears a ridiculous fishing hat; surprisingly touching episode about legacy. | | 19 | The Brat Pack | Young, arrogant cybersecurity vigilantes cause chaos – Kasie gets a rare field role. | | 21-22 | Bridges (two-part finale) | Torres’ undercover life explodes; the team races to save him. Ends on a cliffhanger. | The crossover starter
as Dr. Donald "Ducky" Mallard in his final season before his passing in 2023. Major Plot Points and Key Episodes
After Harmon’s reduced role in Season 19 (appearing in only the first four episodes), Season 20 confirmed the new reality: Gibbs was gone, living a quiet life in Alaska. For the first time in the show's history, NCIS was entering a full season without its lead protagonist. This seismic shift forced the writers to fully pivot to an ensemble led by Sean Murray (Timothy McGee), Wilmer Valderrama (Nick Torres), Brian Dietzen (Dr. Jimmy Palmer), and the anchor of the team, . : Their relationship deepens throughout the season, though
For two decades, NCIS has stood as a titan of American television. When a show reaches its twentieth season, it faces a unique set of challenges: how to honor a legacy that spans nearly 500 episodes while keeping the narrative fresh enough to attract new viewers. NCIS Season 20 not only met this challenge but exceeded expectations, proving that the Naval Criminal Investigative Service still had plenty of stories to tell.
: He faces a personal challenge when a murder investigation leads back to a student working under his wife, Delilah.
Season 20 was famous for its high-profile guest appearances and a historic crossover event.
Jessica Knight, conversely, used Season 20 to define her identity outside of her REACT (Regional Enforcement Action Capabilities Training) team background. She stepped into the role of trainer and mentor, particularly highlighted in episodes involving the new agents. Her relationship with Jimmy Palmer (Brian Dietzen) also flourished, providing the show with a stable, heartwarming romantic subplot that contrasted with the high-stakes danger