Question: Joseph Morgan is best known for his roll in what CW show that eventually spun off into "The Originals"?
Related documents: [0]  [DOC] Joseph Morgan (born Joseph Martin; 16 May 1981) is an English actor and director. He is best known for his role as Klaus Mikaelson in The CW show "The Vampire Diaries" and its spin-off "The Originals". [END] 
[1]  [DOC] The Original vampires, in the universe of "The Vampire Diaries" and "The Originals", are a family of vampires from which all current vampires descend, as well as being the most powerful and indestructible of their kind. In Autumn 1001 AD, after the death of her youngest son Henrik at the hands of werewolves, the powerful witch Esther performed an occult blood ritual in order to protect her five remaining children—(Finn, Elijah, Niklaus, Kol, and Rebekah)—and her husband, Mikael. The ritual transformed her family into the first vampires. [END] 
Answer: 
The Vampire Diaries
The Vampire Diaries