On this RRR BBQ day a diverse and intriguing show with Bron, Anth and Terri in the tank.
We talk to Paul Shannon from Surf Life Saving Victoria about every swimmer's nightmare, getting caught in a rip.
Terri Allen joins us to talk about the best dive sites for summer.
And Assoc Prof Damon Bolton from UNSW joins us live from Sydney discussing some recent work that he and colleagues have published about how artificial light can really mess with the lives of fish and other marine critters directly and indirectly.
There's news and BBQ stories galore.