Caillou is afraid of going to the doctor. Caillou's Mommy tries to warn him that there is nothing to be be afraid of, but Caillou doesn't listen. Soon, it is time for his appointment and Caillou tries to hide. In the doctor's office, when the Doctor tries to look at Caillou's ear, Caillou starts to cry. Caillou has brought his dinosaur and The Doctor looks inside his dinosaur's ear and shows Caillou that there is nothing to be afraid of, Caillou feels less nervous and lets The Doctor look in his ear. but before the Doctor looks in Caillou's ear, she lets Caillou look in his teddy bear's ear to see that it's not scary. The rest of the apointment goes well. At home Caillou tries to look in Gilbert's ear but he quickly leaves. Next Caillou looks in Rosie's ear, she laughs and then the two of them find Grandma sleeping on the sofa in the living room. They turn on the flashlight and Grandma wakes up and then they all laugh.
- At the beginning of the episode, the baby crying sound and a High-Pitch drill sound can be heard.
- Boris does not appear in this episode (Is not seen or mentioned in the episode).