Fox have released the official description for episode seven, "Echoes." Don't read on if you don't even want to know the slightest thing about it.

1.07 “Echoes” - Echo heads back to school where she learns a few things about her past on "Dollhouse" Friday, MArch 27, on FOX.

A deadly virus outbreak on a college campus sends Echo back to school where pieces of her past come into focus in the “Echoes” episode of DOLLHOUSE airing Friday, March 27 (9:01-10:00 PM ET/PT) on FOX. (DOL-108) (TV-14 D, L, S, V)

Cast: Eliza Dushku as Echo; Tahmoh Penikett as Paul Ballard; Olivia Williams as Adelle DeWitt; Fran Kranz as Topher Brink; Harry Lennix as Boyd Langton; Enver Gjokaj as Lubov; Dichen Lachman as Sierra

Guest Cast: Reed Diamond as Laurence Dominic; Miracle Laurie as Mellie; Brett Claywell as Matt; Philip Casnoff as Clive Ambrose; Mechad Brooks as Sam; Josh Cooke as Leo Carpenter; Octavia Spencer as Professor Janack