NCIS season 21, episode 2 delivered an emotional tribute to the iconic character Dr. Mallard, played by David McCallum, who bid farewell to the long-running series. The episode featured a poignant storyline that honored the beloved medical examiner-turned-historian, Ducky, who had been a core cast member until his character's passing.
The episode also saw the return of Michael Weatherly as Tony DiNozzo, a fan-favorite character who made a cameo appearance at the end of the episode. DiNozzo's presence provided comfort to Palmer, played by Brian Dietzen, as he struggled to cope with the loss of his mentor and friend, Ducky.
