Here's what the CW has to say about Episode 5.

“Thin Lizzie” – (9:00-10:00 p.m. ET) (TV-14, LV) (HDTV)
JARED GERTNER GUEST STARS — Sam (Jared Padalecki) and Dean (Jensen Ackles) investigate a series of murders at a local B&B that also happens to be Lizzie Borden’s old home.  When a local man, Len (guest star Jared Gertner), tells them he saw a little girl around the B&B around the time of the murders, the brothers realize Amara (guest star Yasmeene Ball) may be responsible.  Rashaad Ernesto Green directed the episode written by Nancy Won.

The first outing for our new writer Nancy Won. I hope she's as good a find as Robert Berens. So perhaps Amara will stay young for a while? Is Amara causing this? Or is Lizzie Borden a ghost? Share your thoughts in the comments and in the Discussion Thread for Episode 5.