The really good links are in larger font.
42! -- HHGTTG, Deep Thought
Monty Python -- Monty Python's Completely Useless Website, The Cabaret Page [broken link], PythOnline, The Ultimate Monty Python site
Spam -- Find-the-Spam, John's Shrine to Spam, The Amazing SPAM Homepage!, Spam Haiku archives
TMBG -- I'm making you go to another section for this, but it's definitely worth it. There's stuff!
The Beatles -- Pepperland [broken link], The Internet Beatles Album, The Beatles Cafe
The Dark Tower/Stephen King -- Roland's Riddles: A Dark Tower IV Site, Stephen King Opening Page, The Stephen King Warehouse and Information Site, The Official Stephen King Web Presence, The Dark Tower dreamcasting, LadyOfShadows's page, and a whole lot of other pages that I can't find the links to at this moment
Mods -- Alpha64, Modarchive.com
Star Trek -- You Might Be A Trekker If... [broken link], Star Trek in Sound and Vision, SEV TREK (Star Trek humor), Star Trek caption contests (funny funny), Terry Farrell Gallery, Garak's Tailor Shop, You Can't Do That on Star Trek!
Pinky & the Brain; Animaniacs -- An interesting thingy where P&tB meet the Teenage Mutant Ninja Turtles, Animaniacs Mega Lyrics File, and I have no idea what happened to the rest of my links.
Online comics -- sending you to another section again. Trust me on this one.
Assorted pointless funny stuff -- The Blah Witch Project (I burst a blood vessel laughing the first time I watched the thing!), Eric Conveys an Emotion, Kevin's Fridge Magnets, Cool Ways to Kill Yourself [broken link -- gah, this was cool], The All-Knowing Bob, l.e.a.r.u.i.r.k.a. (I'm not sure what this is, but it's quite entertaining), Baldghoti.com (goes along with l.e.a.r.u.i.r.k.a., doncha know), and, of course, that fine purveyor of internet humor, The Onion