List is in Alphabetical Order:

A: American Dragon Jake Long, All Grown Up
B: Ben 10
C: Camp Lazio, Chowder, Codename Kids next Door, Courage the Cowardly Dog
D: Drake and Josh
E: Ed, Ed, and Eddy
F: Fosters Home
H: Hey Arnold, Hannah Montanna
J: Jimmy Neutron
K: Kim Possible
L: Lilo and Stitch
P: Phineas and Ferb
R: Rocket Power, Rugrats
S: Scooby Doo, Spongebob, Squirrel Boy, Suite Life of Zack and Cody
T: That's So Raven, The Emperors New School, The Fairly Odd Parents, The Grim Adventures of Billy and Mandy, The Replacements, Tom and Jerry
W: Wayside, Wizards of Waverly Place
Z: Zoey 101

Probably a few others I'm forgetting, I'll make a must watch section.

Must Watch (Not in Alphabetical Order):

Spongebob
Ben 10
Drake and Josh
Hannah Montana
Jimmy Neutron
Suite Life of Zack and Cody
Tom and Jerry
That's So Raven
Zoey 101