Meg and Mog are the heroes of a series of children’s books written by Helen Nicoll and illustrated by Jan Pienkowski.
First published in the 1970s, the books are about Meg, a witch whose spells always seem to go wrong, her striped cat Mog, and their friend Owl.
It was also made into an animated comedy series based on the books.
Here we have some episodes:
www.youtube.com/watch?v=kCP2a4eYAZU&list=PL9B75FA588C8C7BE8