Discovery Science, Saturday, 6.30 p.m.

Watch this series as it travels through time, to explore men, machines and moments that shaped the feared fighting force of the era


HBO, Friday,9 p.m.

The members of an elite U.S. Special Forces unit are sent into the Bolivian jungle on a search and destroy mission. Set up, betrayed and left for dead, the group makes plans to even the score. Now, they must remain deep undercover while tracking the ruthless enemy who sold them out. The movie stars Jeffrey Dean Morgan, Zoe Saldana and Chris Evans

Clash of the Titans

HBO, Saturday, 9 p.m.

In ancient times, the gods, led by Zeus, Poseidon and Hades, betrayed their parents, the Titans, and banished them to the Underworld with the help of the Kraken, a monster born of Hades. The gods divided the universe between themselves; Zeus took the skies, Poseidon took the seas, and Hades, tricked by Zeus, was left with the Underworld. The gods created the mortals, whose faith in the gods assured their immortality. However, as time passed, mortals began to question their gods. Perseus is the mortal son of the Olympian god Zeus and the leader of a band of heroes who embark on a new adventure