Grandpa tells Caillou about the time when his Daddy was a little boy and they went on a camping trip. Caillou loves the idea of camping and he and Grandpa set up the tent in the garden. Caillou is excited to see the stars in the sky and the fireflies in the bushes. But once they settle in to go to sleep, Caillou gets a bit nervous, so Grandpa comes up with a surprise solution!