Historical clue formulations

• "The museum of social decay," per Gary Oldman — 2023-03-26
• Genre for "The Truman Show" in 1998's "The Truman Show" — 2021-06-04
• "Big Brother," for example — 2012-08-17
• Much unscripted fare — 2008-01-12
• Show without acting — 2005-09-08