How many movies have Tor-Geir Sundal and Tor-Kjell Grytnes collaborated on?

They have worked on 3 movies together! Their first movie together was Den lille traktoren Gråtass (1997) while their highest rated movie together was Gråtass - Sommerteater (2003). They have not worked together since Gråtass - Sommerteater (2003). They are most known for their family films together.