Conversation so far:
What did Ozzie Nelson do on the radio?
Ozzie Nelson developed and produced his own radio series, The Adventures of Ozzie and Harriet.
Did The Ozzie Nelson Band have any top hits?
Ozzie Nelson's records were consistently popular, and in 1934, Nelson enjoyed success with his hit song, Over Somebody Else's Shoulder, which he introduced.
How long was The Adventures of Ozzie and Harriet original release on the air?
The Adventures of Ozzie and Harriet original release went on air from October 3, 1952 to April 23, 1966.

Question: Why did it end?
Self-contained rewrite: Why did The Adventures of Ozzie and Harriet original release end?