LasseMajas detektivbyrå (TV series)
LasseMajas detektivbyrå is a Swedish children’s TV series from 2006. It’s based on the books by Martin Widmark and Helena Willis. The show was broadcast as SVT’s Christmas calendar, from December 1 to December 24, 2006. The story is set in Valleby, the detectives’ hometown.
Lasse and Maja are two about 10-year-old friends who run their own detective agency called LasseMajas detektivbyrå. They look for clues, gather evidence, and help the local police chief, Polismästaren, solve crimes.
The main cast is Teodor Runsiö as Lasse, Matilda Grahn as Maja, and Tomas Norström as Polismästaren. The 24 episodes feature different Christmas-time mysteries, such as thefts at a museum, at Café Marsaan, or at the bank, plus other adventures around Valleby. Lasse is careful and a bit of a coward; Maja is more impulsive and direct.
The series was filmed at SVT studios in spring 2006.
This page was last edited on 2 February 2026, at 10:35 (CET).