Thor Knai

When a real human skeleton is found being used as a stage prop for a death metal band in Norway, authorities determine the victim was an American citizen. The Jeffersonian team tracks the skeletal remains to an underground U.S. death metal band and identifies the victim as a bassist named Mayhem from a band called Spew. As Booth and Brennan venture into the unfamiliar world of death metal music to search for the killer and a motive, they learn about their own team's surprising musical preferences and gain new insight into Sweets' past. Meanwhile, when Sweets asks Dr. Gordon Wyatt (guest star Stephen Fry) for input on the book he's writing about Booth and Brennan, Dr. Wyatt lends Sweets an interesting perspective on the pair's unique relationship.

The castle is abuzz with First Light, where the women of the castle mingle with potential suitors. Much to Mary's dismay, Lola is reluctant to participate in the tradition. After another violent incident with the increasingly erratic King Henry, Kenna fears for her safety and confides in Queen Catherine, while Bash experiences the terrors of the woods and vows to uncover the truth behind the Darkness. Caitlin Stasey, Anna Popplewell, Celina Sinden and Toby Regbo also star.

When Rebecca (Rachel Bloom) learns that Josh (Vincent Rodriguez III) and Valencia (guest star Gabrielle Ruiz) seem as happy as ever, she goes into a spiral and vows to make healthier choices. As a result, when nice guy Greg (Santino Fontana) asks her out on a date, she wonders if that is the path towards a happier life. Donna Lynne Champlin, Pete Gardner and Vella Lovell also star.

When asked to give a speech to a large group of Max's designer colleagues True is forced to conquer her fear of public speaking. Meanwhile, Ryan and Lulu are convinced Mad Style's new male model from Transylvania is a vampire.

JJ’s thrilled when he is chosen by his classmates to film his horror movie project, but soon the pressure of directing gets to him. Meanwhile, Dylan’s class project reveals a family secret; and Jimmy’s suggestions for the neighbor’s house construction project backfires for the DiMeos.