Sea Rescue säsong 4

The team performs an epic 17-day operation to rescue a humpback whale tangled in fishing gear.

A young sea lion turns up starving and lost, 100 miles inland; hundreds of sea turtles end up in trouble in the Gulf of Mexico.

A rescue team tries to save a right whale who is tangled in a mass of commercial fishing gear; oil spills and a decline in their natural food source threaten African penguins.

A one-eyed sea lion; two endangered sea-turtle hatchlings; three harbor seals refuse to eat; an adorable orphaned baby beaver.

Scientists make an alligator a prosthetic tail; a sea lion has a terrible fishing-gaff injury.

A pelican's horrific injury; a turtle swallowed two hooks.

A blind, injured, stranded sea otter; a floating hawksbill turtle.

A manatee suffers from cold stress; a sea lion stranded on a beach.

Pilot whales strand at the Kennedy Space Center; saving a dolphin with a mat designed by the U.S. Navy; a manatee has surgery on a floating dock; a pelican stops traffic on the Golden Gate Bridge.

A humpback whale tangled in fishing gear is in danger of death; a seal survives a shark attack but requires round-the-clock medical care.

A manatee wanders; two sea turtles end up far from their native waters; pelicans land in the scorching Arizona desert.

Survivors of two mass pilot-whale strandings meet; a baby harbor seal washes ashore on Long Island, N.Y.

A humpback whale and a dolphin are entangled in fishing gear.

A tiny, orphaned manatee grows up to be an amazing mom, grandmother and surrogate mother.

A manatee is hit by a boat, causing him to float oddly; a rare whale strands on a Florida beach.

A sick dolphin washes ashore in Delaware; a sea lion is stranded out on some rocks.

A manatee with a newborn and a pregnant manatee; a sea lion helps young pups recover; an orphan sea otter grows to be a surrogate mother.

A dolphin wanders into a bayou; a sea turtle needs surgery to restore his vision.

A shark floats listlessly in shallow water; sheriff's deputies respond to a call about a body in the waters off the Florida coast.

Packing straps floating in the water end up around the necks of sea lions; rescuers help to preserve the light-footed clapper rail.

A sea lion has a fishing line around her neck; a newly hatched leatherback turtle is stuck in its nest.

Rescuing a newborn harbor seal; rescuing a sea turtle from a nuclear power plant in New Jersey.

An endangered leatherback sea turtle turns up sick in Florida; two fur seals strand in California.

A gray whale is tangled up in fishing gear; Florida sandhill cranes face a wide range of threats.

Superstorm Sandy; cold temperatures off Cape Cod; toxic algal bloom; a powerful storm along California's coast.

A false killer whale strands; a loggerhead sea turtle keeps returning.