Web UI SpinnerMysteries at the MuseumMy List Outline IconAdd to My ListShare IOS IconShareS19:E01 - Invention of the DoughnutDocumentary · 2018 · 43 min · 22 SeasonsTV-PGSubtitles IconDon examines a tasty treat, a brazen stunt and a balloon race.EpisodesDetailsSeason 19Arrowhead Down IconSeason 2Season 3Season 4Season 6Season 7Season 8Season 9Season 10Season 11Season 12Season 13Season 14Season 15Season 16Season 17Season 18Season 19Season 20Season 21Season 22Season 23Season 24Play IconS19:E01 - Invention of the Doughnut43 minTV-PGDon examines a tasty treat, a brazen stunt and a balloon race.GenresDocumentarySubtitlesEnglishTV-PGThis program contains material that parents may find unsuitable for younger children.