Spoiler Alert for NCIS season 22, episode 4, “Sticks & Stones”Jessica Knight (Katrina Law) and Dr. Jimmy Palmer (Brian Dietzen) decide not to get back together in NCIS season 22, and they explain their choice in episode 4. Heading into episode 4, the couple had yet to discuss their breakup. Both had been trying to focus on the positive and deflect their colleagues’ questions, not addressing their relationship despite working together. The pair called it quits in the NCIS season 21 finale when Knight was offered a promotion to Chief REACT Training Officer that would take her across the country to Marine Corps Base Camp Pendleton in California.