Klaas Hofstra

The twinbrothers Sietse and Hielke Klinkhamer want to raise money for their ill friend, Marieke.

Two young boy twins receive a boat of their own by a stroke of luck. It turns out to be very fast and they use their boat to help out their friends.

Sitcom about two grandfathers taking care of their grandchildren, so their children can focus on their careers.