Historical clue formulations

• "Airplane!" and "This Is Spinal Tap" — 2023-06-01
• Comedic sendups — 2023-05-29
• Parodies — 2018-07-09
• "Spaceballs" and the like — 2011-05-08
• Many Mel Brooks films — 2009-10-08
• "S.N.L." skits, e.g. — 2005-04-26
• Lampoons — 2000-03-30
• Lampoons — 1997-10-17
• Lampoons — 1997-05-13