It's a far cry from today's Batman, that's for sure.
Every Celebrity Window Cameo From The Original Batman Series

This is a video of all the celebrity window cameos from the original Batman series (1966 – 1968) as Batman and Robin “climb” the exterior of buildings. There are fifteen in total, and they are, in order:

1. Jerry Lewis
2. George Cisar (from the 1966 film)
3. Dick Clark
4. Van Williams and Bruce Lee as The Green Hornet and Kato from “The Green Hornet”
5. Sammy Davis Jr.
6. Bill Dana as José Jiménez
7. Howard Duff as of Sam Stone from “Felony Squad”
8. Werner Klemperer as Colonel Kiink from “Hogan’s Heroes”
9. Ted Cassidy as Lurch from “The Addams Family”
10. Don Ho
11. Santa Claus
12. Art Linkletter
13. Edward G. Robinson
14. Suzy Knickerbocker
15. The Carpet King

There were some good ones in there. Really takes me back. Back to before I was born. You know, I predicted this day would come. “What day?” Today — Tuesday. “It’s Thursday.” Haha, I thought the week was going awfully slow. Hot damn, Friday Junior! *rolling up Slip N’ Slide* Let’s just start the holiday weekend now.