* The series ended in 2011: Season 6, Episode 13, titled "The End of the Line," was the final episode of the original run.
* Reboots and Special Episodes: In 2022, a reboot called "Sea Patrol: The Return" aired in Australia with 10 new episodes. This could be considered a continuation rather than a definitive "last episode."
* Ongoing Production: The show's producers have hinted at possible future seasons of the reboot, so a "final" episode may not exist yet.
To be clear: As of now, "The End of the Line" (Season 6, Episode 13) is the last episode of the original Sea Patrol series. However, the reboot adds more episodes to the overall narrative.
If you're looking for the most recent content, you'll want to watch the reboot episodes of "Sea Patrol: The Return."