Watch LIVE on June 6th at 2:30 p.m. U.S. Eastern Time. We present our new half-hour episode "Grouper Moon." With the expert scientists, follow the Nassau Grouper as they gather in large numbers to spawn during the winter full moons.

Changing Seas (www.changingseas.tv) goes to sea with explorers and scientists as they uncover new information that could lead to scientific breakthroughs. This documentary series lets viewers experience first-hand how oceanographers and other experts study earth’s last frontier, and it sheds light on how human activities are threatening ocean resources.