now elmo chameleon is tickled pink. ha ha ha! ha ha! oh.skin, skin, skin ♪ skin, skin, skin, skin, skin ♪ skin, skin, skin ♪ skin, skin, skin ♪ skin, skin, skin, skin, skin ♪ skin, skin, skin ♪ skin, skin, skin ♪ skin, skin, skin, skin, skin oh. say good-bye, dorothy. say good-bye, book. - good-bye, book. - ♪ do do do ♪ do bop-a do da da do ♪ do do do - skin! - ♪ do do do do do ♪ skin, skin, skin, skin - ♪ skin, skin, skin, skin - ♪ that's elmo's world ha ha! bye-bye! - do you know "rainbow connection"? - ha ha ha! - "sesame street" was brought to you today by the letter "s" and by the number 11 and by bouncy balls. this is murray saying see you next time on the street. peace! announcer: want to hang out in a spider's web... it's bouncy. ha ha ha! announcer: or swing in the trees? oh, my! announcer: "the cat in the hat knows a lot about that," weekdays on pbs kids or anytime you want at pbskids.org. is helping families turn everyday moments into learning opportunities. ♪ you can find out more at pncgrowupgreat.com. celebrate his year of dis