Yes The Letter Of The Day and The Number Of The Day are both missing segments because they said the letter and number in the street story but other missing segments include

No Matter What Song
Monsters Sing The Alphabet With Kofi Annan
Look Who’s Dancing Song
Journey To Ernie Jungle
Global Thingy Dino’s Hurry
Elmo’s World Computers I instead used a fan made HD Re Edit of Wild Animals credit to Elmo’s World x Lori Loud 2.O