It's Linus' birthday and he invites a beautiful little girl he hears singing While she gardens. At the party, Linus is greeting his guests and while They are dancing and having a good time celebrating, he is waiting for His date, Mimi to arrive. As the kids sing "Happy Birthday" to Linus, Mimi arrives (in a limo). She sings "Happy Birthday" to Linus. She Finishes the song, kisses Linus on the forehead and leaves. Linus Finally enjoys his party. Woodstock whistles the aria "Si Mi Chiamo Mimi," from Puccini at the end of the show.