Cappie is the younger sister of Hattie. She first appears in Keeping Cappie Happy. Hattie refers to her as her "baby" sister while the official description of the episode describes her as a toddler.

Cappie (voiced by Violet Tinnirello) is the younger sister of Hattie. She is in a photograph in "The Explorers Club", debuts in person in "Keeping Cappie Happy" and returns in "The Chickephant …

Hattie's younger sister Cappie the Witch (previously shown in a photograph Hattie had in "The Explorer's Club") is introduced in person. Wally has to babysit her when her magical abilities …

Feb 15, 2017 · S2 E19: Wally and Norville go to the playground where they find Hattie, Bobgoblin, and Hattie's toddler sister, Cappie. Wallykazam! Wally Trollman is an adventurous 6-year-old …

Feb 14, 2017 · Cappie starts babbling and inadvertently casting spells, putting Hattie to sleep with "night night"! Now it's up to Wally and Bobgoblin to deal with the spirited baby. Can they …

Keeping Cappie Happy is a season 2 episode. It debuted 4:15pm EST on Treehouse TV on 19 February 2016. The episode airing on Nick Jr. Hattie's baby sister Cappie starts casting spells, …

Feb 17, 2016 · Wally and Norville meet Hattie's toddler sister, Cappie, who starts inadvertently casting spells, putting Hattie to sleep. Can they keep the magical mayhem to a minimum and …

The show revolves around young troll Wally Trollman, who uses his magic stick to turn words into physical objects or occurrences, along with his pet dragon Norville and three friends. The duo …

Wally and Norville meet Hattie's toddler sister, Cappie, who starts inadvertently casting spells, putting Hattie to sleep. Can they keep the magical mayhem to a minimum and safely watch …

Hattie's younger sister Cappie the Witch (previously shown in a photograph Hattie had in "The Explorer's Club") is introduced in person. Wally has to babysit her when her magical abilities …