When you watch Grimm Season 6 Episode 4 online, a monstrous Wesen with three eyes and three arms invades the home of a young family and kidnaps their newborn baby. It's the first case for Nick and Hank as they return to the force. Renard is none too thrilled to have them back after they foiled his ascent to power, and Black Claw holds Renard responsible for the fiasco, too. But Renard's got his own problem in the form of the ghost of Martin Meisner, who blames Renard for his death. And Eve is still investigating the ominous effects of the Magic Stick. Nick and Hank investigate the kidnapping, and the mother describes the creature that took the child. The specific details and her drawing allow them to swiftly identify the creature as El Cuegle, a terrifying beast that is known to kidnap and eat infants for its own ominous reasons. It's up to Team Grimm to find the Wesen and the kidnapped baby before something dreadful happens. And meanwhile, Adalind, Diana, and Renard try to settle into their complicated new routine with Nick as the uneasy truce continues. Find out what happens when you watch Grimm Season 6 Episode 4 online!