Yes, I know, themed restaurants can be cheesy, but if you go with a group of friends, it can definitely be fun.
Below is a list of some restaurants you may want to check out:
Medieval Times (Buena Park, CA) takes you back to the 11th century where royal families invited guests to watch knights compete on horseback. Tickets for adults are $55.95 plus tax; tickets for children are $37.95 plus tax. Online you can find coupons for $15 off adult admission; $10 off children admissions. There is also a Four Pack promotion where you can get 4 admissions for $120.
For more information, visit: http://www.medievaltimes.com/
Pirate Dinner Adventure (Buena Park, CA_. I think the name says at all. Admission for adults is $56.95 plus tax; admission for children is $37.95 plus tax. You can also get an online coupon for $10 off adult admission; $5 off children's admission.
For more information, visit: http://www.piratesdinneradventure.com/