Cousin Oliver, played by actor Robbie Rist, came to live with the Bradys in the second to last season of the beloved sitcom when his parents, Carol's brother and sister-in-law, embarked on an archaeological dig in South America.
The addition of Cousin Oliver to the cast of "The Brady Bunch" was so critically derided that, like the Fonz's shark-jumping incident, it coined a phrase — "Cousin Oliver Syndrome."
When sitcoms add young (often obnoxious or overly cute) characters in an attempt to freshen up the series, the tragic results can only be contributed to Cousin Oliver Syndrome. —XFINITY Entertainment Staff (Photo: ABC)
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