From Disney's Hollywood Studios Wiki
Disney's Hollywood Studios is the host of many annual special events, so of which are not even open to the public.
ESPN The Weekends February 27th-March 1st, 2009
Grad Nights Early Summer 2009
Star Wars Weekends Every Friday, Saturday, and Sunday between May 22nd-June 14th, 2009
Night of Joy September 11th-12th, 2009
The Osbourne Family's Spectacle of Dancing Lights Holiday Season 2009
Super Soaps Weekend Retired as of 2008