Watch Ncis S19e20 720p - Web H264-gossip 1

David McCallum's guest appearance as Ducky was a major highlight, with fans noting he remains the "soul" of the show.

The team investigates the poisoning of a Navy reservist who was secretly working as an investigative journalist. Watch NCIS S19E20 720p WEB h264-GOSSIP 1

“I loved the stuff with Knight and Palmer. They have great chemistry together. It was great to see Ducky as well.” Reddit · r/NCIS · 3 years ago David McCallum's guest appearance as Ducky was a