The Unicorn Whisperer: Another Phoebe and Her Unicorn Adventure

The Unicorn Whisperer: Another Phoebe and Her Unicorn Adventure — page 3
Knock knock Who is there Interrupting cow Oh you mean Mabel I did not realize you knew Mabel How has she been The joke doesn't work if you know an ACTUAL interupting COW I have not seen her since she inevitably stopped being invited to parties