– Check this out, people. I was on Sesame Street as the Science Guy back in the 20th century, in 1998. We did a bit about seesaws,
’cause I could see you, then I saw you. (both grunting) – Am I heavy?
(loud rustling) (Bill grunting) (laughs) Thanks, Mister
Bill Nye the Science Guy. – Here we go! – Wee!
(Big Bird laughs) – It worked!
(Big Bird laughs) – Wee!
– You’re seesawing! Well done!
– Yay! – It was cool. But what’s even cooler
is to be here today. Now something that I always
wanted to do back then was to count to 20. Can I do that? One, two, three, four, five,
six, seven, eight, nine, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20. Yes!
(happy upbeat music) (happy upbeat music)