I Dont remember what brought this to my mind. But id think it make a really neat poll.
Since Were Mostly all different ages and in different locations. Our Answer will be very different.

My Favorite Tv Shows as A kid were:

Ninja Turtles
G.I.Joe
Ghostbusters
Transformers

Not sure how old you mean exactly by "kid" but here it goes:

Ninja Turtles
Transformers
Mario Brothers

Thundercats
Masters of the Universe
Teenage Mutant Hero/ninja Turtles
Transformers (it had finished on TV but i bought all the videos... well, got mum to buy them)
Arthur and the Knights of Justice

Thomas the Tank Engine
Bill and Ben
Turtles
Red Dwarf :p

-Power Rangers
-Ninja Turtles
And last but not least Sesame Street!

Larry King live

Captain Kangaroo

Sesamee Street

A-Team

Simon and Simon

I dream of Jeani

AirWolf (Great theme song.)

SilverHawks(I think? Metallic people with wings in space?)

Growing Pains(Leo Decaprio was just LUKE.)

Transformers (Robots in disguise)

The Teenage Mutant Ninja Turtles

Thunda, thunda, thunda, thundaCats! (Sound of Horn Blowing.)

Dungeons & Dragons

He-Man/She-Ra

Smirfs

G.I. Joe (Snake Eyes Vs. Storm Shadow, ohhh yeah!)

KnightRider(voom-voom, voom-voom)

Gilligans Island (If they would have, ahem... somehow misplaced Gilligans whereabouts, they would have been home by the second episode. At that time I never understood that. Ahh the memories of curseing the name of Gilliagan.)

Who's the Boss. (Alyssa Milano A.K.A Sam)
( I wathced alot of Tele-vision )

EXO-Squad(My favorite of favorites) :)

(Ohh yeah, almost forgot. That Zelda cartoon, it was with the Mario Brothers.)

McGuyver, Knight Rider, Star Trek, Captain Planet.