Historical clue formulations

• "S.N.L." characters who coined the term "parental units" — 2023-09-24
• TV family from the planet Remulak — 2017-08-25
• Classic TV family — 2013-10-18
• TV family that popularized the term "parental unit" — 2011-07-30
• Classic "S.N.L." characters — 1996-06-09