6.2/10(8)#1 - Gone Fission
Season 1 Episode 1
Aired 11/10/2023
The death of an American seaman on a U.S. nuclear submarine during an AUKUS ceremony on Sydney Harbour is investigated in a joint effort between America's NCIS agents afloat and the Australian Federal Police.
Director: Shawn Seet
Writer: Morgan O'Neill
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4.7/10(3)#2 - Heart Starter
Season 2 Episode 1
Aired 2/7/2025
NCIS: Sydney will do whatever it takes to crack the case of a rogue assassin on the run during NCIS Special Agent DeShawn Jackson's chaotic first day as boss.
Director: Jennifer Leacey
Writer: Morgan O'Neill
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Morgan O'Neill Ratings Summary
"Gone Fission" is the best rated episode written by Morgan O'Neill. It scored 6.2/10 based on 8 votes. It was directed by Shawn Seet. It aired on 11/10/2023 and is rated 1.5 points higher than their second-best episode, "Heart Starter".