Plot
The special begins with Linus roller-skating all over town. On his way back from a birthday party, he passes by a garden where he hears someone singing ("O Mio Babbino Caro") As he enters the garden, he learns that a little girl named Mimi is the person that was singing. After Linus and Mimi spend time gardening together, Linus invites her to his birthday party, and she accepts the invitation. Linus keeps hearing Mimi's singing voice everywhere he goes and can't seem to stop thinking about her. As Linus is writing his guest list for his birthday party, Lucy asks who Mimi is.
Plot
 The special begins with Logan roller-skating all over town. On their way back from a birthday party, they pass by a garden where they hear someone singing ("O Mio Babbino Caro") As they enter the garden, they learn that a little girl named Mimi is the person that was singing. After Logan and Mimi spend time gardening together, Logan invites her to their birthday party, and she accepts the invitation. Logan keeps hearing Mimi's singing voice everywhere they go and ca n't seem to stop thinking about her. As Logan is writing their guest list for their birthday party, Lucy asks who Mimi is.