We people had a first kind of show we watched (classic, anime, nick, etc). For me I had a bunch.

Rugrats- first Nickelodeon show I watched
Sesame Street- first educational show I watched (maybe)
Looney Tunes- first classic show and first CN show I watched
Grim and Evil- first premire of a show I watched (maybe)
Powerpuff Girls- first girl related show I watched
Pokemon- first anime show I watched :(
Jeopardy- first game show I watched
Legends of the Hidden Temple- first kids game show I watched
?????- first show I watched

Edit: "find" was meant to be "first"

The Adventures Of The Gummi Bears - First Disney cartoon I watched

The Ren & Stimpy Show - First Nickelodeon show I watched

Swat Kats: The Radical Squadron - First Cartoon Network show I watched

The Super Mario Bros. Super Show - First DiC show I watched

Dragon Ball - First anime show I watched

The Price Is Right - First game show I watched

3-2-1 Contact: First PBS show I watched.
Friday the 13th Part VII: First horror movie I watched.
Clarissa Explains It All: First show that caused me to experience "puberty".

Hmmm let me ee

Inspector Gadget(the early 90's reruns) the first Dic show I watched
Sailor Moon First anime I watched
The adventures of Tin Tin
Sharky and George
Eek! the cat
My Pet Monster
Bobby's World
Mr Dress up
Carebears
Alvin and the Chipmunks
Albert the fifth muskateer
Book Mice
Dudley the Dragon

there are more, but those were most of the shows I remeber watching when I was young