Sesame Street (1969)

S46E32 Sesame Ocean

Abby transforms Sesame Street into a whimsical underwater world, allowing Dorothy to swim freely. However, when Dorothy goes missing, Elmo and Abby embark on a clue-finding adventure to locate her. The episode also includes Cookie Monster's Smart Cookies segment and a special feature of Elmo the Musical. This enchanting adventure is brought to you by the letter O and the number 6.