An oracle told him to.
Hercules needed to perform twelve labors as a punishment for killing his wife and children in a fit of madness. Completing the labors was part of his penance to atone for his crime and prove his worthiness to the gods.
Hercules' 3rd labor was to find the Ceryneis Hind. He did it for King Eurysetheus.
Hercules' tenth labor was to bring back the cattle of Geryon. This took place on the island of Erythia.
The Nemean lion.
The Nemean lion.
Albion, the ruler of the England (then called Albion) attacked Hercules and his army , when he was going for his tenth labor through England. Hercules, as he was not prepared for the attack from such a big army, prayed Zeus for his aid. His prayer was answered and Zeus helped Hercules to kill Albion and his brother and thus Hercules emerged victorious and continued his tenth labor.
The Nemean Lion.
It was big, and had gold antlers.
he was a strong, powerful man that could do almost everything
He wears the Nemean lion's skin.
Ladon was the onehundred headed dragon who gaurded the golden apples. Hercules had to get a golden apple for a labor but could not defeat Ladon in hand to hand combat. Hercules then went off and shot Ladon full of poisened arrows. Then hercules took an apple and completed his labor. Tis is one of the many storys about hercules vs. Ladon.
Hades was present when he allowed Hercules the use of Cerberus in his labor.
The New Adventures of Huckleberry Finn - 1968 The Last Labor of Hercules 1-6 was released on: USA: 20 October 1968