Pinkalicious and Peterific Season 11 Episode 3 The Monster Trap/The Search for Peter's Whistle

It's bedtime, but Peter is convinced there is a monster hiding in his room. To help reassure her brother, Pinkalicious builds a fort and sets a trap just in case. Then, it seems like everyone in Pinkville can whistle except for Peter. No matter how much he practices, he still can't seem to get it right - or so he thinks!