And sure enough, His Himalayan Abominableness makes an appearance. I'm not sure exactly which episode, probably "That's Snow Biz".
Here's the footage I nabbed these shots from.
Note the mop top, popular men's hairstyle in the 1960s. I previously blogged about it here and here.
Seems like a popular hairstyle for Yetis in the 1960s, too. Cases-in-point:
|Popeye, Dick Tracy Show, and Snooper and Blabber|