Thereafter she became a freelance documentary filmmaker, working mainly for Dutch TV stations, like the NOS, NCRV, AVRO, Human TV, TROS, Veronica, IKON, VPRO, and the BOS, Buddhist Broadcasting Station.
The books were adapted for television (Joop Doderer playing the title role), in a series of shows which aired on NCRV in the 1960s and 1970s, one of the longest-running and most popular shows in Dutch TV history.