Captain Kangaroo was my pick as a kids show when I was a kid.
Mr. Green Jeans was the bomb.
I also really liked Grizzly Adams because who doesn't want a pet bear? I remember trying to convince my dad that it wouldn't takenthst many trees to build a log cabin dog house big enough for a bear and then if I just so happened to find a bear camping we could bring it home no problem.
Okay, I was like 5, so I don't remember this so much as I remember being told about this often and I never really lived it down.
I still feel like Mr Green Jeans would have been more impressed with the brilliance of my plan than the 'rentals ever were.