Daniel Tiger's Neighborhood (2012)

S1E39 Daniel's Sleepover

Daniel visits his friend Prince Wednesday for an exciting sleepover. After they brush their teeth and wash up, they're all set for bed. However, as they settle down, they spot a few things that seem a bit spooky. Curious, they decide to explore these mysterious sights together. To their relief, they discover that what they thought was frightening is actually nothing to worry about at all!