A newlywed bride is knocked down by a silverback when the couple come face to face with a gorilla family. Also, hyenas try to steal a wild dog's kill, resulting in a bloody battle.
A python takes on a leopard in Kruger National Park, but there can only be one winner; a rock python kills and swallows an antelope in the Maasai Mara; an orangutan takes a woman hostage.
An orca pod attack sealions from under a pleasure boat, holidaymakers have a very close encounter with a bull elephant, and a deadly hawk wasp attacks and paralyses a tarantula.
An Australian kayaker is photobombed by the world's largest predator, a group of ants build a raft to survive a flood, and a hippo takes a rare decision to attack a passing wildebeest.
Two alligators fight for territory - on a golf course. A stealthy lioness takes down a waterbuck, a dead sperm whale explodes whilst being studied, and a decorator crab takes a jellyfish hostage.
Two campers in Canada get a wake-up call from a black bear, a lion cub gets a surprise when it tries to take a monitor lizard for lunch, and a wily crocodile steals a wild dog's dinner.
A lone lioness attacks a herd of buffalo, two diamond rattlesnakes fight for dominance, vultures take on a cheetah to steal her impala kill, and a sealion plays with a poisonous pufferfish.
A pack of lions take down a giraffe, an alligator eats a rival's offspring, and a couple get a big surprise when an elephant relieves himself right in front of them.
Dolphins force fish onto the beach to eat them, a wild horse tramples an alligator, four lions massacre a herd of buffalo, and underwater filming reveals the life of a lion's mane jellyfish.
An octopus steals a GoPro camera and doesn't want to let go, a dolphin superpod swims alongside a diver's speedboat, and two holidaymakers are on the receiving end of an angry bull elephant.
A leopard has a prickly encounter with a porcupine, a buried Bobbitt worm strikes cardinal fish from the seabed, and a pod of killer whales puts on a show for holidaymakers on a boat trip.
A boy gets punched in the face by a kangaroo in Australia, underwater filming reveals dolphins communicating as they feed from a bait ball, and a lioness fights off another lion to protect her cub.