If you're a D23 member, you can get tickets now, and the remaining tickets go on sale February 12 at 10 a.m. Last year tickets sold out.
When: Sunday, April 7 at 2 and 5 p.m.
Where: Walt Disney Family Museum (104 Montgomery Street in the Presidio - SF)
Tickets: $21 for members, $35 for everyone else.
More info: Here