I remeber The Friendly Giant when I was young young and the littlest Hobo. I use to cry at the end of each episode because the doggy would leave at the end of each episode. "Where's the doggy going, boo-hoo", but then I'd be all happy because next Sunday, he'd be beack again

Or Lamb Chops Play Along, with the talking Lamb Chop. Oh man, that was lame