VIDEO: First Look - ONE DIRECTION Sings Their ABC's on Sesame Street!

Below, watch clips from One Direction's upcoming appearance on PBS's SESAME STREET!

First up, Liam and Harry are pretty sure they know their ABCs, but they wanted to run through them one more time for good measure. Bert was there to help.

Next, there are twenty-six letters in the alphabet, but the one nearest and dearest to One Direction's heart is U. U must feel so special!

About SESAME STREET:

Sesame Street is a production of Sesame Workshop, a nonprofit educational organization. The Workshop produces Sesame Street programs, seen in over 150 countries, and other acclaimed shows, including The Electric Company. Beyond television, the Workshop produces content for multiple media platforms on a wide range of issues including literacy and numeracy, emotional wellbeing, health and wellness, and respect and understanding. Learn more athttp://www.sesamestreet.org.

For more fun games and videos for your preschooler in a safe, child-friendly environment, visit us at http://www.sesamestreet.org