Meets the creatures whose alarming ability to adapt to new surroundings has allowed them to thrive in new areas, and create problems.
Cocaine Hippos
Season 1 • Episode 1
Pigzilla
Season 1 • Episode 2
Giant Swamp Rats
Season 1 • Episode 3
Moose Rampage
Season 1 • Episode 4
Coyote Army
Season 1 • Episode 5
Bed Bug Doomsday
Season 1 • Episode 6
