Go to Sleep, Barney!

Go to Sleep, Barney! is the 7th episode of Season 6.

Plot
It's bedtime in Barney's room, but Barney can't sleep! He tries reading a betime story, drinking warm milk, and counting sheep, but he still can't sleep! Luckily, Mariah sings Barney a lullaby to help him finally get plenty of sleep!