In the high-stakes world of , the season 5 episode titled " The Collar " (2022) stands out as a masterclass in tension, blending a race-against-the-clock bomb threat with pivotal shifts in the characters' personal lives. A Deadly Countdown

The episode’s central conflict revolves around a series of explosive rampages orchestrated by a vengeful bomber. Officers (played by Nathan Fillion ) and his rookie, Celina Juarez , find themselves at the center of the crisis when they encounter a victim trapped in a literal "collar bomb".

: This episode is a landmark for fans of Lucy Chen and Tim Bradford , as the two finally go on their first official date after years of "will-they-won't-they" tension.

: The episode features guest stars Simone Clark and Carter Hope, serving as a minor crossover with the spin-off, The Rookie: Feds .