I added to and organized my car camping check list this year, here is an updated version:
Gear:
Tent
Sleeping bags
Sleeping pads
Pillows (stuff sacks that turn into pillows are handy)
Chairs for around fire
Flashlights / headlamps (lots of them so you can keep on in tent, one in bug shelter, etc)
Kitchen:
Larger Tupperware container to keep all Kitchen items together
Stove and fuel
Pots / Pans
Cooking Utensils, Knife
Plates, cutlery, cups, travel mug
Cutting board (so nice to not cut on plastic plates)
Can opener, bottle opener, cork screw (Multi-tool usually covers all of these)
Coffee pot (plunger or peculator)
Large water container for cooking and drinking
Water bottles that can be refilled
Grill for fire or hot dog sticks
Cooler: Food and drinks
Bucket to wash dishes
Towel and cloth
Camp suds
Dish cleaning container and sponge
Personal items:
Duffel bag to hold items
Bug spray / sun screen
Swim suits and towels
Hiking shoes/runners
Sandals (use for easy in and out of tent)
Sunglasses
Clothing: Socks, underwear, long johns (also good as PJ's), pants, shorts, t-shirt, long sleeve, rain jacket, sun hat, toque, light gloves, warm layer
Bathroom bag (things you may not think of): baby wipes (quick face and hand cleaner), camp suds (great for everything), bug bite treatment, first aid kit, little mirror, toilet paper, hand sanitizer, chapstick
Extras:
Bug Tent
Multi-tool / Swiss Army Knife
Backpack for H20 etc for walks
Books, Frisbee, games, etc
Lighter/matches, newspaper, wood
Axe or saw if need to chop wood
Bear spray, bear bangers
Picnic blanket (great for babies so they can move on ground and not constantly be eating rocks)
Tarp and rope for rain / shade protection
Folding table (we use one for our stove)
Garbage, recycling and dirty clothes bags
Paper towel, facial tissue
Compass, Maps, Hiking Guide Books
National Park Pass
Binoculars
Camera
Travel Stereo
Water filter pump or water purification tabs
Potty for kids