Switchbackncis: Hawai'i : Season 1 Episode 21 Apr 2026

: Captain Milius returns to Hawai'i to enlist Jane Tennant as his personal security escort for a secret prisoner exchange operation set to take place in the Philippines.

Ernie Malik makes a "nerdy" pop culture reference during the episode, quoting Doc Brown from Back to the Future by saying, "Faces. Where we’re going we don’t need faces," while describing an algorithm. SwitchbackNCIS: Hawai'i : Season 1 Episode 21

Watch the official teaser for this episode's high-stakes operation: : Captain Milius returns to Hawai'i to enlist

: Back in Hawai'i, the NCIS team investigates the murder of a Marine that turns out to be directly connected to Milius's secret operation. Watch the official teaser for this episode's high-stakes

: The episode also explores the ongoing professional and personal tension between Lucy Tara and FBI Agent Kate Whistler following their previous relationship issues. Main & Guest Cast

" Switchback " is the of the first season of NCIS: Hawai'i and serves as the first part of the two-part season finale. First aired on May 16, 2022, the episode centers on a high-stakes prisoner exchange involving recurring character Captain Joe Milius. Plot Overview

The episode features the series regulars alongside key recurring and guest stars: : Vanessa Lachey Capt. Joe Milius : Enver Gjokaj Jesse Boone : Noah Mills Lucy Tara : Yasmine Al-Bustami Ernie Malik : Jason Antoon Kate Whistler : Tori Anderson CGIS Agent Neil Pike : Mark Gessner Notable Trivia