Web UI SpinnerDanger MouseMy List Outline IconAdd to My ListShare IOS IconShareS04:E04 - 150 Million Years LostKids & Family · 1983 · 18 min · 9 SeasonsTV-GSubtitles IconProfessor von Squakenkluck invents a time machine.EpisodesDetailsSeason 4Arrowhead Down IconSeason 1Season 2Season 3Season 4Season 5Season 6Season 7Season 8Season 9Play IconS04:E04 - 150 Million Years Lost18 minTV-GProfessor von Squakenkluck invents a time machine.CastJohn Stocker, David Jason, Terry Scott, Edward Kelsey, Brian TruemanDirectorBrian CosgroveGenresKids & Family, Animation, Comedy, AdventureSubtitlesEnglishTV-GMost parents will find this program suitable for all ages.