Thanks to Ausiello, I can reveal that Dollhouse will be returning on September 18, 2009. 
Listed below are the rest of the premiere dates, as recently unveiled by FOX.
So You Think You Can Dance: Wednesday, Sept. 16 @ 8 pm/ET
Glee: Wednesday, Sept. 16 @ 9 pm/ET
Bones: Thursday Sept. 17 @ 8 pm/ET
Fringe: Thursday Sept. 17 @ 9 pm/ET
Dollhouse: Friday, Sept. 18 @ 9 pm/ET
House: Monday, Sept. 21 @ 8 pm/ET (two-hour episode)
The Simpsons: Sunday, Sept. 27 @ 8 pm/ET
Family Guy: Sunday, Sept. 27 @ 9 pm/ET
Lie to Me: Monday, Sept. 28 @ 9 pm/ET
The Wanda Sykes Show: Saturday, Nov. 7 @ 11 pm/ET
