Alphaquest was a series of Sesame Street segments combining live action and animation, in which a girl goes through a hallway and into various rooms, each one representing a different letter of the alphabet. The segments premiered in Season 21.


  • Sesame Street Alphaquest Letter M

    Sesame Street Alphaquest Letter M

  • D
  • F
  • H
  • M
  • P
  • R
  • S
  • W


There are no vowels in the series.

C, G, J, K, L, N, Q, T, V, X, Y, and Z are not used in the series.

Muppet Appearances:

  • M: An orange Monster appears.
  • S: Grover appears as the silly surfer.

In Episode 3869, Telly and Baby Bear go on their own Alphaquest looking for things that start with S.