Season 4

1. Monster Sharks

January 13, 2010 · 45m

An investigation into the increasing number of great white shark attacks, following a team of researchers who are trying to determine why sharks are becoming more aggressive.

2. Hillbilly Beast

January 20, 2010 · 45m

An investigation into the foothills of North Western Kentucky to search for a Bigfoot-like creature that is said to make terrifying, wild screams. A tooth, photographic and audio evidence come to light, and investigators venture into the remote wilderness in an attempt to identify the source of these mysterious sounds.

3. Giant Pythons in America

January 27, 2010 · 45m

Investigation into the adaptability of giant pythons in Florida as their habitat spreads into heavily populated areas such as Miami.

4. Giant Killer Bees

February 3, 2010 · 45m

More than 50 years ago, South American scientists attempted to cross-breed bees that would produce more honey than ever before possible. But instead, they created a monster. Today, these giant bees are on the loose, spreading northward and invading US cities. MonsterQuest examines how these killer bees attack with an unseen ferocity and discovers that the bees may be adapting to colder temperatures, making them an even greater threat.

5. Mothman

February 10, 2010 · 45m

6. Piranha Invasion

March 3, 2010 · 45m

7. Lizard Monster

March 10, 2010 · 45m

8. Sierra Sasquatch

March 17, 2010 · 45m

9. America's Wolfman

March 24, 2010 · 45m