Bassie and Adriaan have a diamond named after them. Escaped from prison, diamond thieves B1 and B2 attempt to steal it, dressing as Bassie and Adriaan. The actual Bassie and Adriaan are given three days to prove their innocence.

Bas van Toor
Bassie

Aad van Toor
Adriaan
Willem Sibbelee
B1
Harry Dikmans
B2

Frans Kokshoorn
de Boevenbaas

Paul van Gorcum
Diamantair

Dick Rienstra
Inspecteur van der Steen
Kenan & Kel80%
The New Adventures of Winnie the Pooh77%
Nicky, Ricky, Dicky & Dawn70%
Alvinnn!!! and The Chipmunks73%
Timon and Pumbaa72%
The Flintstone Comedy Show72%
The Wiggles62%
Disney's Adventures of the Gummi Bears75%
All Hail King Julien68%
True Jackson, VP79%
Father Knows Best66%
Fish Hooks64%
Good Luck Charlie78%
Superbook86%
The Tom and Jerry Show72%
UniKitty!64%
Brandy & Mr. Whiskers74%
Bobby's World69%
Mr. Bean: The Animated Series68%
Petticoat Junction58%