Joseph "Hires" Orthur to be his Babysitter on New Year's Eve

Happy New Year's everyone! On New Year's Eve, the Read family is going to Thora's house for dinner, and then coming back a few hours before midnight. But Joseph has to stay home with a babysitter, again because of his behavior. His parents hire Miss Gray to watch over him. But he has Orthur over, arriving in a suit that looks like Miss Gray. Will Joseph's parents find out that it was actually Orthur?