SURPRISE BIRTHDAY DINNER RESTAURAUNT?

I am planning a surprise birthday party dinner with 7 of his closest friends but i don`t know what restauraunt to go to for something like this, i just want to know if anyone knows of any restauraunt in California (Studio City or Sherman Oaks or anywhere in LA) that would help me with a surprise dinner that is affordable and just fun for my boyfriend!
Thank you!
Sincerely,
Jo
Posted by Jo; updated 09/08/03