2006 Classic: The Lettuce

Knock, knock. / Who’s there? / Lettuce. / Lettuce who? / Lettuce in, High School Musical is on!

🔥 Top 10: The Knock-Knock Joke Archive (1995-2025)

Knock, knock. / Who’s there? / Ketchup. / Ketchup who? / Ketchup...read more »

Knock, knock. / Who’s there? / Lettuce. / Lettuce who? / Lettuce...read more »

In 2012, we were all waiting for the world to end, but we were to...read more »

In 1995, before we had instant messaging, we had the door. Knock-...read more »

Knock, knock. / Who’s there? / Europe. / Europe who? / No, Europe...read more »

Knock, knock. / Who’s there? / Ivana. / Ivana who? / Ivana go to...read more »

Knock, knock. / Who’s there? / Doris. / Doris who? / Doris locke...read more »

In 2021, we were all playing games—some for a piggy bank full of ...read more »

Knock, knock. / Who’s there? / Amos. / Amos who? / A mosquito bi...read more »

Knock, knock. / Who’s there? / Alex. / Alex who? / Alex-plain th...read more »

Knock, knock. / Who’s there? / Hatch. / Hatch who? / Bless you!P...read more »

Knock, knock. / Who’s there? / Anita. / Anita who? / Anita new U...read more »

Knock, knock. / Who’s there? / Police. / Police who? / Police le...read more »

Knock, knock. / Who’s there? / Cargo. / Cargo who? / Cargo "vroo...read more »

@AOL_Keyword_Jokes12/30/1996 13:13Standard classic. Never gets old.

@SpiceGirls_Fan03/27/2010 13:07Tell me what you want, what you really really want... more jokes!

@BackToFuture_M07/22/2015 00:31Great Scott! This joke is from the future!

@Austin_Powers_Y02/25/2008 15:07Yeah, baby, yeah! Groovy humor!

@Flash_Intro_Hater12/02/2015 11:52Finally a site without a 2-minute Flash intro!

@GG_WP_9809/11/2011 02:13Good game, well played. This is a winner.

@Railgun_Sniper11/04/2001 09:58I saw that laugh coming from across the map.

@LonelyGirl15_F03/15/2011 02:19Is this a secret message? No, just a joke!