The Complete 4th Season contains 3 discs with all the episodes recorded for Season 4.

Disc 1 contains:
Fear of a Krabby Patty
Shell of a Man
The Lost Mattress
Krabs. Vs Plankton
Have you seen this Snale?
Skill Crane, Good Neighbor
Selling Out
Funny Pants
Dunces and Dragons
Mermaidman & Barnacleboy V1
Enemy-in-Law, Patrick Smartpants
Squidbob Teneaclepants and Krusty Towers.

Disc 2 contains:
Mrs. Puff, You're Fired
Ghost Host
Wishing you Well
Chimps Ahoy
Whale of a Birthday
Karate Island
All that Glitters
New Leaf, Once Bitten
Bummer Vacation
Wigstrung,
Squidtastic Voyage
That's No Lady
Hocus Pocus and The Thing.

Disc 3 contains:
Driven to Tears
Rule of Dumb
Best Frenemies
Born to be Wild
Squid Wood
The Pink Purloiner
Best Day Ever and the Gift of Gum.