Season 45 Episode 4518 - Friendship Day Tuesday February 3, 2015 Elmo and Zoe are practicing a dance to perform for Friendship Day. Elmo can’t seem to do the last step and Zoe, in her frustration, says that Elmo is the worst. Elmo gets upset and Zoe doesn’t understand why. Leela and Chris explain that words can hurt, so Zoe apologizes and the two practice their dance again. This time Zoe is more encouraging. Subject: Self-Regulation Brought to you by: O & 10 Word on the Street: Friend – Someone that you care for and like to spend time with and who also cares for you. If you've seen "Friendship Day" please like this post and share your thoughts below.