Who's your favorite guest appearance?

:happyface

Personally I dont go for Ted--not on Happy Days anyway--everywhere else he was fine!:)
I LOVED it when Arnold came back!! lol he knocked the place down!! I also looooooove Spike. lol he was so funny!:p

my favorite was robin williams as mork. i love him!!

Here is a list of mine

Robin Williams
Laverene and Shriley cast
Cindy Williams and Penny Marshall
Eddie Mekka
Jack Dodson ( all the way!!!!!!!!! )
Bob and Ray
Danny THomas
Warren Berlinger
When Ron and Donny came back
Suzi Quatro
Roz Kelly
Ken Lerner
Jeff Conaway
and tons more