Fred MacMurray tried to keep My Three Sons as fresh as possible
With dozens of family-based sitcoms on television during the 1960s, many producers, actors and showrunners had to do whatever they could in order to stand out and stay relevant.
My Three Sons was one of the many television sitcoms that would have to go head-to-head with Beaver, Opie Taylor and the Andersons.
There is no doubt that My Three Sons, despite having a talented cast of both kids and adults alike, had a lot going against it during the first few seasons it aired on ABC.
The competition was thick, the television landscape was constantly changing and there was pressure from the networks. And while 12 seasons is a long time to last in Hollywood, it wasn't without its fair share of changes and switch-ups.
Not only was there pressure to have a high-rated show of their own, there was an even greater sense of stress when it came to competing with other high-rated television series such as Leave It to Beaver, The Donna Reed Show, Father Knows Best and The Andy Griffith Show.
Fred MacMurray, who played the role of Steve Douglas, believed there came a time when nearly every TV show had to make big changes in order to keep itself from getting stale.
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"Gunsmoke can go on forever, but we can't," MacMurray said in a 1969 interview with Asbury Park Press. "The kids grow up and grow in and out of problems. But it seems that almost anything you can do has been done."
According to the interview, My Three Sons had just started its 10th season on-air when MacMurray said the series was in need of new ideas and storylines in order to progress the story.
The My Three Sons kids were starting to grow up and some were even adults by the time the last season premiered in 1972. MacMurray's three fictional sons included: Mike Douglas (Tim Considine), Robbie Douglas (Don Grady) and Chip Douglas (Stanley Livingston).
One of the major changes the series underwent, according to MacMurray, was adding a new bride for his character to marry in season seven. Actress Beverly Garland was added to the cast list in order to stir up a little love from both Steve Douglas and fans at home.
She played the role of Barbara Harper Douglas and brought along a new daughter for everyone to meet.
"I hope this is the right move," MacMurray said. "After 10 years you've got to make some changes. We've run out of things to do with five men."
My Three Sons was no stranger to change. Over the course of 12 seasons, the children had changed, William Frawley died, William Demarest moved in, marriages took place and the family moved from the Midwest to California.
MacMurray said he hoped that the marriage between his character and Garland's would add higher ratings and positive reviews to the series.
"You might say we're getting married in self-defense, because so many shows now have widowers and children," MacMurray said. "There will be 12 shows in the coming season with widows or widows with children."
My Three Sons had 12 incredible seasons before coming to an end in 1972.