Conversation so far:
What happened in 1973 with Glen Campbell?
After the cancellation of his CBS series in 1972, Glen Campbell remained a regular on network television. He co-starred in a made-for-television movie, Strange Homecoming.
What Glen Campbell CBS TV series was canceled in 1972?
Glen Campbell hosted a music and comedy variety show called The Glen Campbell Goodtime Hour on CBS television, from January 1969 until June 1972.

Question: What tv series did he become a part of?
Self-contained rewrite: What TV series did Glen Campbell become a part of in 1973?