List of Suggested Themes:

Light (Reduced Fat) Foods
Gluten Free
Vegetarian
Chinese New Year
The Oscars
Shakespeare Dishes "Double Double Toil and Trouble"
Chili Throwdown
Pepper Fiesta
Greek or Mediterranean
Murder Mystery
Fat Tuesday
Mother's Day - invite the moms
Seven Deadly Sins
30-minute Meals
Alcohol Theme - Off The Wagon (Edible Spirits for Halloween)
Family Reunion Food
Picnic Basket (on location)
Appetizer Night
Soul Foods
Farmers Market
European Night - everyone is a different country
Breakfast for Dinner
Brunch Foods
Obscure Ingredients
Garlic - "Policeman of the Body"
Bar Food
Southern Hospitality
Seafood
Light It Up! - Flaming Night
What a Crock - Crockpot Night
Island Night - outside with tikki torches
"Something New!" - have to make something you've never tried before
Food that got left in the 50's (but shouldn't have)