Season five:

== Summary:== Stephen turns Derek evil, and it's on a killing spree, he wants to create hybrids, but he can't because he discovers that Drake and Veronica are alive, Pietro returns to town, and the origin of the original family is explored, Trent begins to see Linda and Isobel's ghosts, causing problems with his relationship with Lindsay, Allison deals with her feelings about Edward, Richard is depressed, Edward turns into a hybrid, Dustin elaborates a plan to get back her sister.