The remastered episode " The Menagerie" will be shown for one showing only on Nov. 13 at about 300 theaters in the US. There will also be a 30 minute featurette about the remastering project. Both parts of The Menagerie will be shown in High - Def and theater surround sound.
You can check which theaters are showing it at Fathom Events
. They will link you to Fandango to buy tickets, they are $12.50.
You can read more about this event at StarTrek.com