The Tonight Show Starring Johnny Carson - S20E13 - Robin Williams Segment (1981): 1:30 - 1:38

At NBC Studios in Burbank, California, USA, Robin Williams says "Hare Krishna Hare Rama" to Johnny Carson.

https://www.imdb.com/title/tt2983694/

The Tonight Show Starring Johnny Carson (TV Series),S20E13 (TV Episode Number),Robin Williams/Jean Marsh (TV Episode Title),1981 (TV Episode Release Year),Robin Williams (TV Actor),Johnny Carson (TV Actor),Comedy (TV Genre),Talk-Show (TV Genre)

Thanks to Lilananda Prabhu.