Heidi· Season 1 · Episode 11Attack the TreehouseS01E11·April 19, 2015·25m·TF1After Karl and Theresa invade the treehouse, Heidi and Peter can't agree on what to do. Heidi turns to Grandfather for help.Streaming on (US) See allSharePreviousPeter's TreasureS01E10NextSave SweetheartS01E12Keep goingSeasonSeason 1 ranked & reviewedEvery episode in airing order with ratings and dates.StreamWhere to watch HeidiEvery streaming service and region, checked around the clock.MatchupShows like HeidiThe closest matches, ranked by overlap and rating.
