Historical clue formulations

• Rating for "Robot Chicken" and "Archer" — 2024-05-09
• Rating for non-kid shows — 2022-03-29
• Rating for risqué shows — 2021-05-23
• Rating for "South Park" — 2020-08-19
• Rating that may signify profanity or violence — 2019-10-03
• "Orange Is the New Black" rating — 2018-08-15
• For 17+ viewers — 2017-10-22
• Rating for many HBO shows — 2015-12-20
• Rating of a program blocked by a V-chip — 2007-05-20