Conversation so far:
how was Dixy Lee Ray involved with KCTS-TV?
Producers at KCTS-TV, Seattle's PBS affiliate, approached Dixy Lee Ray about hosting a weekly television program on marine biology.
what was the name of Dixy Lee Ray's marine biology show?
Animals of the Seashore
what was Dixy Lee Ray's show about?
marine biology
did Dixy Lee Ray's show perform well?
Animals of the Seashore was a hit.

Question: when did the show air?
Self-contained rewrite: when did Dixy Lee Ray's show air?