Clifford the Big Red Dog (2019) Season 3 Episode 12 - When You Wish Upon a Cake/Make Room for Sonia Episode Title: When You Wish Upon a Cake/Make Room for Sonia Episode Description: "When You Wish Upon a cake": it's Clifford's birthday and he looks forward to having fun with his friends. However Clifford devours the birthday cake Emily had made for him and feels immediately guilty. He decides to go to the bakery, but then realizes that getting a cake is harder than it looks. "Make Room for Sonia": Pablo has a new baby sister: Sonia, the newest addition to the household. Unfortunately for him, Sonia ends up getting most if not all of the attention, leaving Pablo feeling neglected and ignored.