Episode 2599




 * Joe Raposo sings "Families".


 * Film: Hands build things out of triangles and squares while off-screen voices try to figure out what the constructions will be.


 * Ernie and Bert: Ernie sings "Happy Birthday" to a letter U, which blows out the candle on the cake.


 * Cartoon: A boy needs a letter U to complete the word UP.


 * Kermit the Frog sings "It's Alive".


 * The Typewriter types a "T" for "train".


 * Film: A beekeeper extracts honey from honeycomb.


 * Cartoon: A U train spells the words Unite, U-turn, Underground, Up, and Universe.


 * Film: A girl is given an eye examination at a doctor's office.


 * Monsterpiece Theater presents "Upstairs, Downstairs".