Mr. Freeze (aka Eli Wallach) - Batman Episode: Ice Spy, Airdate: 29 March 1967. Wallach played the third Mr. Freeze in the Batman TV series which was also the character’s last appearance.
Eli Wallach as Mr. Freeze (aka Dr. Schivel) in the 1966 Batman episode, Ice Spy/The Duo Defy. (ABC Television) (image via dr_odio)
Source: Flickr / dr_odio