Enough that I could go without cable/satellite for years before running out of stuff to watch (this list includes TV documentary specials, but not movies that premiered on TV).
The Adventures of Brisco County, Jr.
Band of Brothers
Bubblegum Crisis: Tokyo 2040
Castle, Season 1
Charlie Brown Christmas
Doctor Who: Spearhead from Space
Doctor Who: The Time Monster
Doctor Who: Genesis of the Daleks
Doctor Who: The Caves of Androzani
Doctor Who: The Complete First Series
Doctor Who: The Complete Fifth Series
Doctor Who: The Complete Sixth Series
Dr. Suess's How the Grinch Stole Christmas
Dr. Quinn Medicine Woman: The Complete Series
Dune (Sci-fi channel miniseries)
Dungeons & Dragons: The Complete Animated Series
Exodus Decoded
The Very Best of the Ed Sullivan Show: Volume 1
Fawlty Towers
Firefly
From the Earth to the Moon
Futurama, volumes 1-5
Futurama, Bender's Game
Game of Thrones, season 1
Grey's Anatomy, seasons 1-4
The Guild, Seasons 1-3
Heroes, season 1
History Channel Presents: Pearl Harbor
Horatio Hornblower Collector's Edition
Into the West
JAG - The Complete Series (I strongly suspect this is bootleg; my wife got it when she was in Singapore & wasn't saavy to the whole piracy thing at the time)
Keeping up Appearances: Deck the Halls of Hyacinth
Keeping up Appearances: Hints from Hyacinth
The Lost Tomb of Jesus
Man on a Mission
Murdoch Mysteries, Series 1-6
Mystery Science Theater 3000: 20th Anniversary set
Mystery Science Theater 3000: The Beginning of the End
Mystery Science Theater 3000: Eegah
Mystery Science Theater 3000: Mitchell
Mystery Science Theater 3000: The Wild World of Batwoman
Mystery Science Theater 3000: Volume 2 (Angels Revenge, Cave Dwellers, Pod People, Shorts vol. 1)
Mystery Science Theater 3000: Volume 7 (The Killer Shrews, Hercules Against the Moon Men, Hercules Unchained, Prince of Space)
Mystery Science Theater 3000: Volume 8 (Hobgoblins, The Phantom Planet, Monster A-Go-Go, The Dead Talk Back)
Mystery Science Theater 3000: Volume 16 (The Corpse Vanishes, Warrior of the Lost World, Santa Claus, Night of the Blood Beast)
Mystery Science Theater 3000: Volume 19 (Robot Monster, Bride of the Monster, Devil Doll, Devil Fish)
Mystery Science Theater 3000: Volume 22 (Time of the Apes, Mighty Jack, The Violent Years, The Brute Man)
Mystery Science Theater 3000: The Essentials (Manos: Hands of Fate, Santa Claus Conquers the Martians)
The Naked Archaeologist, seasons 1-2
The Best of Monty Python's Flying Circus
Robot Chicken, Seasons 1-3
Robot Chicken: Star Wars
Robot Chicken: Star Wars: Episode II
Rudolph the Red-Nosed Reindeer
Shrek the Halls
Shogun
The Simpsons, Seasons 1-11
Star Trek: The Original Series
Star Trek: The Next Generation (complete series)
Star Trek: Deep Space Nine (complete series)
Star Wars: Clone Wars, seasons 1-3
Stargate SG1: Seasons 1-10
Trinity and Beyond: The Atomic Bomb Movie
Weapons of War: US Navy Carriers
The Vicar of Dibley: The Immaculate Collection
According to My Movies (app), I have 493 titles in my collection, spanning TV shows, movies, etc. Many of which are multi-disc sets. It's a little scary.