In the final moments of the first episode of NCIS: LA season 12, a title card dedicated to Bellisario popped up on-screen.
Bellisario died aged 63 in the summer following a battle with brain cancer.
He served as producer on the series on the LA-based NCIS spin-off as well as working on the flagship show too.
Bellisario was also the son of Donald P Bellisario, the man responsible for creating the entire NCIS and JAG universes.
NCIS: Los Angeles season 12 continues Sundays on CBS.