Pelle Parafins Bøljeband og Serum Serum — Season 1
19796 episodes9.0/10 (1 votes)
About this season
Girls mix a serum in the chemistry lab. The serum was supposed to give them fuller voices so that they could sing in Pelle Parafin's Bøljeband, but instead they stumble upon and invent a truth serum that forces everyone who inhales it to tell the truth.