Brødrene Dal og professor Drøvels hemmelighet Details Casts Posters Season Lists Title Brødrene Dal og professor Drøvels hemmelighet Genres Comedy Family First Air Date 1979-01-27 Last Air Date 1979-01-27 Episode Runtime 00 Hours 15 Minutes Total Season(s) 1 Total Episode(s) on All Seasons 13 Runtime 15 Production Companies NRK Lars Mjøen... Gaus Dal... Knut Lystad... Roms Dal... Trond Kirkvaag... Brummund Dal... Tom Mathisen... Fortelleren... Helge Reiss... Professor Drøvel... Original Size (611x917) Season 1 13 Episode(s) 1979-01-27