A late-night encounter with a beer-hunting bear sparks a cross-country investigation. Wildlife biologist Forrest Galante tracks break-ins and uncovers a strange new trend -- bears invading homes to chug booze and devour marijuana edibles.

In a methamphetamine hotspot, drugs seep into local waterways, creating aggressive alligators. Wildlife biologist Forrest Galante investigates the effects of meth on these reptiles and attempts to capture and rehabilitate a "meth gator."

Aggressive hippos raised by the infamous cocaine kingpin Pablo Escobar have escaped his abandoned compound in Colombia, becoming a dangerous and deadly invasive species. Wildlife biologist Forrest Galante embarks upon a risky plan to stop them.