Fair rating?Criminal Minds· Season 6 · Episode 17
Valhalla
After a series of suspicious murders occur, Prentiss suspects her old Interpol nemesis, making her fear for the safety of her BAU team as he closes in on her.
Streaming on (US) 
See all
#5In Season 6of 24 rated episodes
#11All-timeof 360 rated episodes
+0.2vs season avgSeason 6 averages 8.1
2011First airedMarch 2, 2011
Guest stars
Timothy V. Murphyas Ian Doyle
Sebastian Rochéas Clyde Easter
Siena Goinesas Tsia Mosely
Andy McPheeas Liam
Jan Munroeas Dr. Sherman
John Colellaas Ron CosenzaJim Castilloas Weatherman
Fionn William O'Brienas Calum
Madison Masonas Lex Dreyer
Brian D. Johnsonas Frank Fagan
Jennifer Rikeras Kerry Fagan
Tyler Poelleas Jed HastingsThor Edgellas Byron Delaney
Crew
Charles S. CarrollDirector
Erica MesserWriter
Simon MirrenWriter