NatGeoWild HD

It's spring, the busiest time of the year, so the team have decided to search for another vet. Plus, Dr Pol and his son head out to check on a cow. 7+.

The flamingos get their annual exam, and two adorable manatee orphans arrive at the zoo before returning to the wild. (S3, ep 3) 7+.

Simon and Siouxsie snake across the city as they fish a black mamba from a pool, wrestle with Africa's largest cobra and try to retrieve a boa constrictor.

From powerful crocodiles lying in wait to bloody battles between hippos, Africa's waterholes set the stage for the continent's greatest spectacles. 7+.

Dr Pol finds two chickens suffering from bare bums. While Dr Emily and Dr Nicole team up to visit a cow with a retained placenta - or so they think.

Dr Schroeder treats a range of furry, feathered and scaly friends. (S2, ep 8) 7+.

Venture across Costa Rica to witness the country's dazzling diversity of hummingbirds and learn how these tiny creatures play a massive role in one of the wildest environments on Earth. 7+.

From vast deserts to lush tropical forests and from immense lakes to winding rivers, Africa is a continent of extremes. 7+.

The team investigates incidents off Maui in peak tourist season to discover why the island has more shark encounters than the entire Hawaiian chain.

Chris discovers there's nothing like a war to get an inventor's cogs going, as he investigates fire pumps, radar, shrapnel-proof fire engines and tractors. 7+.

A young reindeer with many ailments needs Dr Oakley's help to get back into fighting shape, and an elderly porcupine poses a pokey problem.

As the orphaned otter pups go to fish school, two young lions leave the pride and a dangerous antelope is darted on the zoo's grasslands. 7+.

Across the Caribbean, Cuban and American crocodiles share a rapidly changing world. As habitats shift and their paths increasingly cross, their survival hangs in the balance.

Documentary examining the hugely territorial crocodile, which fights for dominance, food and mates within its species, with the power falling on the biggest, most battle-tested croc. 7+.

As staff of Billi Swamp Safari return, the park is in chaos. With one gator on the loose and another threatening to eat her offspring, new recruits are tested. (S3, ep 1) 7+.

Thord struggles to rescue a truck blocking a mountain pass while impatient drivers put his life in danger. (S5, ep 6) 7+.