Is Dolphins: Wonders of the Ocean coming back?

Dolphins: Wonders of the Ocean premieres August 31, 2025, on RTÉ ONE. The show is currently between seasons; the most recent episode aired on August 31, 2025. There is no confirmed return date for the next season.

This natural history series follows underwater cameraman Ken O'Sullivan as he documents the lives of dolphins along Ireland's coast. Over a span of 20 years, the series captures the journey from a solitary, lost dolphin named Dusty to the observation of large pods hunting in the North Atlantic Ocean. The show features cinematic footage of these marine mammals' behaviors, filmed for the first time in such detail.

Each episode has a runtime of approximately 60 minutes, focusing on the natural behaviors and environment of dolphins around Ireland.