Bayou Beast & River Ghost

In the final episode of the season, Ben, Larry and Chi-Lan travel down to the Louisiana Bayou in search of the legendary Honey Island Swamp Monster. They put some popular theories to the test but before they can render a verdict, an unusual sound lures them into the woods. Meanwhile, Bill, Austin and Jael head to Portland Oregon to investigate a strange light hovering over the haunted Willamette River. They attempt to replicate the lights by launching a variety of illuminated objects into the night sky and are surprised by the results.