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Return of the White Shark: A record number of great white sharks are migrating to New England's most popular tourist destination and they're hunting in ways never seen before. (S1, ep 1)

Return of the White Shark: A record number of great white sharks are migrating to New England's most popular tourist destination and they're hunting in ways never seen before. (S1, ep 1)

Nero's Favourite Gladiator: Spiculus becomes a superstar in Rome's brutal arenas. Rewarded with wealth and privilege, he fights for glory. (S1, ep 2)

Nero's Favourite Gladiator: Spiculus becomes a superstar in Rome's brutal arenas. Rewarded with wealth and privilege, he fights for glory. (S1, ep 2)

Cephalopods are nature's shapeshifters with three hearts, blue blood and unique brain structures - inspiring our imaginations. 7+.

Cephalopods are nature's shapeshifters with three hearts, blue blood and unique brain structures - inspiring our imaginations. 7+.

Space Disasters: In humanity's pursuit of space exploration, numerous tragic disasters have unfolded, from the Apollo 1 fire to the Challenger and Columbia tragedies. (4 of 9)

Spartacus: Rise of the Gladiator: A soldier enslaved by Rome and forced into gladiatorial combat leads fellow gladiators in a daring escape. (S1, ep 1) 7+

Spartacus: Rise of the Gladiator: A soldier enslaved by Rome and forced into gladiatorial combat leads fellow gladiators in a daring escape. (S1, ep 1) 7+

Bitten In Bali: In 2010, the peace enjoyed by visitors and residents alike was suddenly shattered by a shocking shark attack - the first ever recorded along its coast. (S2, ep 1)

Swallowed Alive: Gaze into the realm of gulpers: animals who waste no time eating their prey, often swallowing it whole. (S1, ep 1)

Swallowed Alive: Gaze into the realm of gulpers: animals who waste no time eating their prey, often swallowing it whole. (S1, ep 1)