M is the 13th letter of the English alphabet. It first sponsored Sesame Street episode 0013.

Songs about M

• "M-M-M Monster Meal" (Cookie Monster and Herry)

Sketches about M

• Law and Order: Special Letters Unit: "The Search for the Missing M"
• Speech Balloon: M - Mail
• The Typewriter: M - Magic
• Maya Angelou performs hip-hop rhymes about "M" with Elmo (EKA: Episode 3822)
• Herbert Birdsfoot talks about the letter M with help from Grover. (EKA: Episode 0276)
• Human letters at the Beach (EKA: Episode 3683)
• Kermit draws an M with his magic finger. (EKA: Episode 0813)