NCIS has had some top-notch holiday episodes over the years. Below is a fun segment Mark Harmon did for LIVE with Kelly and Mark. He spoke about being in a cereal commercial. It’s another reason ...

in the backyard eating cereal," and joked: "Which, that never happened." MORE: Why NCIS: Origins star Austin Stowell was intimidated by Mark Harmon — and what he really thought MORE: Mark Harmon ...