Season 5

Episode Guide

Abduction + Memory + Time + Fireworks + Dispersal

S5 E15
Apr 30, 2021
When Mac and Riley go missing and wake up 24 hours later in a corn field with no memory of how they got there, they must unravel the mystery to find who took them, and how to get rid of the nanotrackers in their bodies, no matter the cost.

H2O + Orthophosphates + Mission City + Corrosion + Origins

S5 E14
Apr 16, 2021
Mac and Desi travel with Bozer to his childhood home when his aunt dies in a tragic accident, however, they soon discover she may have been murdered for trying to expose the city's contaminated water supply. Also, Riley, Matty and Russ continue to follow leads on their nano-trackers investigation.

Barn Find + Engine Oil + La Punzonatura + Lab Rats + Tachometer

S5 E13
Apr 09, 2021
While Mac and the team delve into the world of Italian car culture in order to track down a crime boss-in-hiding, Mac must lean on Desi when he discovers that he losing the ability to control his hands. Also, Mac and Desi move in together and Riley reveals the truth about her secret team of hackers to Russ.

Royalty + Marriage + Vivaah Sanskar + Zinc + Henna

S5 E12
Apr 02, 2021
Mac, Desi and Russ go undercover during a royal Indian wedding to protect a princess whose policies could put her life in danger. Also, Russ and Sophia come face-to-face at the wedding, Bozer suspects Riley is up to her old hacking ways and Matty runs down a lead in hopes of getting to the bottom of Mac and Riley's ingested nano-trackers.

C8H7CIO + Nano-Trackers + Resistance + Maldives + Mind Games

S5 E11
Mar 26, 2021
Mac and Riley head overseas together to prevent a governmental collapse and inadvertently inhale new deadly microscopic technology.

Diamond + Quake + Carbon + Comms + Tower

S5 E10
Mar 05, 2021
While on a mission to hunt down a Codex lead, Mac and the team discover Murdoc (David Dastmalchian) hacked their comms and has recorded them for months. Now, Mac and the team must stop Murdoc, who is working with Andrews (Joe Pantoliano), as they plot to kill thousands and reveal each Phoenix members most-guarded secrets.

Rails + Pitons + Pulley + Pipe + Salt

S5 E9
Feb 19, 2021
When Mac and the team are unable to prevent sensitive intel from falling into Codex's hands, Mac must scale a vertical cliff using only gear he can cobble together himself to prevent the info's transmission.

SOS + Hazmat + Ultrasound + Frequency + Malihini

S5 E8
Feb 12, 2021
Mac and team rush to help when Mattys former mentor, Ian Cain (Robert Patrick), and his embassy staff come down with a deadly, mysterious illness. Also, Taylor and Bozer work with Jerry Ortega (Hawaii Five-0s Jorge Garcia) to infiltrate a Codex cell.

Golden Lancehead + Venom + Pole vault + Blood + Baggage

S5 E7
Feb 05, 2021
The secret experimental cancer treatment Macs developing with a friend is discovered when culprits ransack their lab, kidnap Macs partner and plan to use the research to create a powerful new nerve agent.

Quarantine + N95 + Landline + Telescope + Social Distance

S5 E6
Jan 22, 2021
During COVID-19's first stay-at-home order, as Mac, Bozer and Riley quarantine together, they try to stop a crime in progress at their neighbor's house. Also, Russ' romantic fling takes on a longer and more complicated turn when they quarantine together.

Jack + Kinematics + Safe Cracker + MgKNO3 + GTO

S5 E5
Jan 15, 2021
Using a cryptic postcard as their only clue, Mac and the team must solve a fallen friend's final case and bring him justice.

Banh Bao + Sterno + Drill + Burner + Mason

S5 E4
Jan 08, 2021
Mac's meeting with Desi's parents goes sideways when her brother finds himself in trouble and desperately needs their help. Also, Russ and Matty must ask an old nemesis for assistance when their new recruitment candidate is kidnapped.

Eclipse + USMC-1856707 + Step Potential + Chain Lock + Ma

S5 E3
Dec 18, 2020
When Russ is kidnapped, Mac and the team must break out a previously murderous psychopath, now pacifist, from prison to help find him. Also, while on the run, Mac and Desi are forced to confront their relationship issues.

Thief + Painting + Auction + Viro-486 + Justice

S5 E2
Dec 11, 2020
When Taylor's former protege is killed while preventing a bio-weapon from falling into the wrong hands, Mac and the team must find the weapon so Desi can pull off the ultimate heist before it's sold to a terrorist cell.

Resort + Desi + Riley + Window Cleaner + Witness

S5 E1
Dec 04, 2020
Mac and the team infiltrate a glamorous hotel used as an international hideout for criminals to find a woman with vital information on Codex. However, their target has a new secret identity, including a completely new face.