Conversation so far:
When was The Newlywed Game started in relation to Bob Eubanks?
In 1966, Bob Eubanks received a phone call from Chuck Barris, asking him to host a new game show, The Newlywed Game; the show premiered later that same year.
What was the show The Newlywed Game like?
The Newlywed Game pits newly married couples against each other in a series of revealing question rounds to determine how well the spouses know or do not know each other.
Was the show The Newlywed Game successful?
During The Newlywed Game's debut, it was an immediate hit, and the show's popularity led the network to expand the prime-time lineup.
How many viewers did the show The Newlywed Game receive?

Question: How long was he on the show?
Self-contained rewrite: How long was Bob Eubanks on the show The Newlywed Game?