Cartoons: SpongeBob SquarePants ...

eBay Marketplace Searches for SpongeBob stuff:

AllHeart.com
Spongebob Scrubs and Medical Uniforms

Target.com
SpongeBob Squarepants Furniture
(Beds, Tables, Chairs, Toy Boxes, Coat Racks, etc)

Other Stores:

Art.com - SpongeBob Posters and Prints
BowlingShirt.com - SpongeBob Bowling Balls
Drugstore.com - SpongeBob Band-Aids & other products (lip balm, bubble bath, etc)
Entertainment Earth - SpongeBob Games, Plush Toys, Bendables and more
Nick Jr Online Store - SpongeBob toys, bedding, clocks, electronics (including TV and Phone), furniture, stationary, watches, clothes and much more
WebUndies.com - Spongebob Boxers, Lounge Pants, T-Shirts and Ladies Underwear
WildTies - Spongebob neck ties

Amazon.com:

SpongeBob Toys, Games, etc. - see this link for video games, electronic games, CD Players, Games, Toys, Slumber Bags, Suitcases, Water Toys, Costumes and more

Planning a SpongeBob Party?

Calendars.com

BlanketMall.com

(Click Image)
Sponge Bob Big Face Fleece Throw Blanket
Our Price:$19.99

More:

Avon.com - SpongeBob watches, bed tents and storage boxes ... search for "spongebob"
AreYouGame.com :
- SpongeBob SquarePants Uno
- SpongeBob SquarePants Big Easy Game - board game where you collect as many Krabby Patties as you can and race to reach the treasure chest full of gold
Personal Creations:
- Personalized SpongeBob SquarePants Christmas Ornament