Sean catches Liz cheating on him - with another gay man.
In a double dose of Grimm, Nick and Hank hunt a vicious alligator Wesen in the sewers of Portland, then do battle with the legendary holiday villain, Krampus.
An incredibly rare creature that may or may not be Wesen. Traditionally, the Wesen council actively works to eradicate Grausen, as Wesen are often blamed for their evil deeds.
Juliette takes a risk to kill off Daniel's parasite.
Learn more about The Royals, the mysterious cabal of the Grimm world.
Sean's new friend Tippy is over the top.
Nick suspects a Wesen link when a priest is brutally murdered during an exorcism.
While Nick's attention is focused on a likely suspect at the station, the real El Cucuy strikes again.
El Cucuy is a mythical vigilante beast who preys on those who inflict harm upon others.
Nick investigates a vigilante murderer who is trying to clean up the streets in a rough neighborhood.
Lorna and Max are determined to make Sean a better father and manager.
Sean needs some info, but it looks like he is going to have to tickle out of this guy.
Max has Sean get the staff together to tell them that someone is giving away company secrets.