Historical clue formulations

• It's show time, folks! — 2023-09-16
• Broadcast time — 2020-10-19
• Show time — 2019-10-03
• Broadcast time — 2017-01-11
• Show time — 2013-01-27
• TV Guide info — 2010-01-24
• TV Guide info — 2008-06-02
• Show time — 2006-11-08
• When a show is broadcast — 2000-07-18
• TV Guide information — 1999-10-09