Discography
Mate Feed Kill Repeat (1995)

Slipknot
Killers are Quiet
Do Nothing (Bitchslap)
Tattered and Torn
Dogfish Rising
Some Feel
Gently
Confessions
Only One
Slipknot (1999)

Note: The original release had "Frail Limb Nursery" and "Purity" but due to copyright issues, it was removed and replaced with "Me Inside". The album available nowadays is the corrected version and that is why it's the one listed here.

742617000027
(sic)
Eyeless
Wait and Bleed
Spit it Out
Me Inside
Only One
Scissors
Surfacing
Tattered and Torn
Liberate
Prosthetics
No Life
Diluted
Eeyore
Welcome To Our Neighborhood - VHS (1999) / DVD (2003)

Rushed home video initially available in VHS that clocks in at 20 minutes and retails for $6. Contains interview clips with the band, a series of live performances from Ozzfest 99' and the banned video for Spit it Out. Later re-released on DVD with small extras.

Iowa (2001)
515
People=Shit
Disaster Piece
My Plague
Everything Ends
The Heretic Anthem
New Abortion
Gently
Left Behind
The Shape
I Am Hated
Skin Ticket
Metabolic
Iowa
Disaster Pieces - DVD (2002)

Recorded at the London Arena with 30 cameras. Extras include videos for My Plague, Left Behind (uncut), Wait & Bleed (original/clay), Spit It Out, and an audio track for Purity.

People = Shit
Liberate
Left Behind
Eeyore
Disaster Piece
Purity
Gently
Eyeless

My Plague
New Abortion
The Heretic Anthem
Spit It Out
Wait and Bleed
(sic)
Surfacing

Vol. 3: Subliminal Verses (2004)
Prelude 3.0
The Blister Exists
Three Nil
Duality
Circle
Vermillion
Welcome
Pulse of the Maggots
Opium of the People
Before I Forget
The Nameless
Vermillion Part 2
The Virus of Life
Danger: Keep Away

Biography CDs
The Unauthorized Biography [All Talk] (2001)
Released late 2001 for $10.99, the CD contains audio clips describing the band. The track listings in order are: 9, Bleed, Family Unit, Masks, Jester And King, Love/Hate, Rage, Believe Me, Manic Life, and Total Insanity.

Slipknot X-Posed (2002)

Collection of interviews with the band discussing the importance of their fans, various musical influences, and more.

Maximum Slipknot (2002)

Unauthorized biography featuring an exclusive interview, liner notes, a wall poster, and a mini-poster. Limited edition and most likely available through EBay by now.

Are You Sitting Comfortably? (2003)

Interview CD that the author describes as "controversial" and "opens up a whole new perspective on Slipknot".

Slipknot: Up To Our Necks [DVD] (2004)

A complete unauthorized biography featuring unseen film footage and interviews with collaborators and other musicians.

Unauthorized DVDs
Knot Gone Wild (2002)

Unauthorized DVD featuring:

All 9 members Unmasked
Unmasked Pre-show
Unmasked After-show footage
Onstage mayhem
Unseen in-store appearances
Private conversations
Unmasked sound checks

Behind the Masks (2002)

Unauthorized biographical DVD.
DVD Appearances
Resident Evil (2002)

Includes the high quality version of Slipknot's My Plague (New Abuse remix) as an extra.

Roller Ball (2002)

Slipknot has a cameo appearance in the movie.

Roadrage (2002)

My Plague (Director's Cut)
Roadrage (2003)

Left Behind (Director's Cut)
Books
Barcode Killers - The Slipknot Story (2001)

Barcode Killers charts the rise of Slipknot recreates, in words and pictures, its strategic attempts to infect all those who come into close contact.

Slipknot Unmasked (2001)

Deals with the band’s mid 1990s formation in Iowa and reveals previously unknown facts about their origins, the author having tracked down and interviewed two founder members and the producers of their first demo.

Inside The Sickness: Behind The Masks (2002)

A look at the notoriously controversial Des Moines “nu metal” band Slipknot, whose two albums to date have sold over 3 million copies worldwide. Introduction by Ozzy Osbourne. Afterword by Gene Simmons.

Slipknot: Unmasked [Again] (2003)

The first and best book about the Slipknot phenomenon, now updated to include details of their platinum-selling Iowa album and side-projects. This updated edition brings the Slipknot story right up to date detailing their activities in 2001 and 2002, including the release of their platinum album Iowa which topped the charts worldwide, and produced several singles.

Best of Slipknot (2001)
(Sic)
Disasterpiece
Eyeless
Gently
Liberate
My Plague
People = Shit
Surfacing
The Heretic Anthem
Wait And Bleed
Sweating Bullets (1999)

Wait and Bleed
The Hard and the Heavy Vol. 1 (1999)

Spit It Out
Kerrang! Spirit of Independence (1999)

Eyeless

Free Air Festival Vol. 2 (2000)

Wait and Bleed
Download (2000)

Spit it Out
Download 2 (2000)

Surfacing (Rough Mix)
Hammered Vol. 6 (2000)

Surfacing (Rough Mix)
MTV: Return of the Rock (2000)

Spit It Out
Nu-Metal (2000)

Spit It Out
Mototrax 1 (2000)

(sic) [Molt-Injected Mix]
Attitude - Balles Neuves

Eyeless
Surfacing
NASCAR: Crank It Up (2001)

(sic) [Molt-Injected Mix]
Tattoo The Earth (2001)

Live recordings of "Surfacing" and "Liberate" from the Pontiac, MI show.
Supercharged (2001)

Spit it Out
Wired Up: Vol. 1 (2001)

Spit it Out
X-Treme Rock (2001)

Spit it Out
Kerrang! Best of 2001 (2001)

People=Shit
Kerrang! The Album 2 (2001)

Wait and Bleed
Kerrang! The Album 3 (2001)

Left Behind
Download (2001)

Surfacing
Download (2002)

Liberate (Live)
The Pledge of Allegiance tour (2002)

Recorded during the Pledge of Allegiance tour which took place from September to October 2001. Slipknot has three tracks included in the album: People=Shit, The Heretic Anthem, and New Abortion.

Ozzfest 2001: The Second Millennium (2002)

Live recordings from bands that performed at 2001's Ozzfest. Slipknot's "New Abortion" appears on the album.

The Heart of Roadrunner Records (2003)

Spit it Out (Stamp You Out Mix)
Download (2004)

Pulse of the Maggots (Live)
Soundtracks
Scream 3 (2000)

Wait and Bleed (Terry Date mix)
Roller Ball (2001)

Slipknot's "I Am Hated" is on the album. The band also has a cameo in the movie.

Resident Evil (2002)
My Plague (New Abuse Mix)
Marilyn Manson - Fight Song (Slipknot remix)
Spider-Man (2002)
Bother (Corey Taylor solo)
Freddy VS. Jason (2003)
Snap (unreleased demo, re-mastered)
Games
Dark Summit (2002)
Slipknot, The Murderdolls and Stone Sour are some of the bands featured in the game's soundtrack.
MTX: Mototrax (2004)
Includes an all-new Slipknot track entitled "Don't Get Close".
Albums
Sister Soleil - Solarium (1998)

Corey Taylor sings on the track "Liar".
Machine Head - The Burning Red (1999)

Joey provides backup vocals on the song "Nothing Left".

Soulfly - Primitive (2000)
Corey Taylor sings in "Jumpdafuckup".
Strait Up (2000)

Tribute album to deceased Snot frontman Lynn Strait. Featuring guest vocals from Corey Taylor on the track "Requiem".

Mudvayne - LD 50 (2001)

Shawn Crahan is the executive producer of Mudvayne's major label debut album.

American Head Charge - The War of Art (2001)

Shawn Crahan appears as the producer of the album.

Biohazard - Uncivilization (2001)

Mick, Joey and Sid appear in "Domination" along with Jamie Jasta of Hatebreed.

40 Below Summer - Invitation To The Dance (2001)

Shawn appears as Executive Producer.
American Head Charge - "Just So You Know" [Single] (2002)

Shawn appears at Just So You Know (Clown #6 (Slipknot) Remix) and the Just So You Know music video.

Marilyn Manson - "The Fight Song" [Single] (2002)

Includes a remix of "The Fight Song" by Joey Jordison. Joey also has a cameo on the song's music video.

Slitheryn - Untitled [Snake] CD (2002)

Corey is credited as the producer of the album and appears in the song "Lost" including at its music video.

Down The Sun (2002)

Shawn appears as the producer of the album.

Rise Above (2002)

A tribute CD to Black Flag. Corey Taylor performs solo on the track "Exit 13".
Tyler Thompson Band - Living On The Border (2003)

Mick performs some songs in the album.

Damage Plan - New Found Power (2004)

Corey Taylor provides vocals to the track "Fuck You".

Within the Mind (2004)

A tribute album to Death and is set for a June 2004 release. Mick Thomson and Paul Gray are one of the many musicians involved in the project.

Bootleg/Promos
Ozzfest 99' (1999)

The album contains live bootleg recordings of Slipknot's performance over at Ozzfest 1999. The tracks in the album are: (sic), Eyeless, Liberate, Surfacing, Purity, Spit It Out, Wait and Bleed and Eeyore.

Slipknot Digipak (1999)

The album contains all 16 tracks from the initial release along with some unreleased songs and demos -- Me Inside, Get This, Interloper and Despise.

Cassette Sampler 2 (1999)

Wait and Bleed
Me Inside

Slipknot Cassette Sampler (1999)

Spit It Out (Demo)
Surfacing (Rough Mix)
Eyeless (Rough Mix)

XFM Metal Hammer (2000)

Promotional CD included with the issue. Contains "Wait and Bleed" from the s/t.

The Deep End (2000)

Free CD bundled with "Select" magazine. CD contains the Spit it Out music video.

Roadrunner 2000: Japan Sampler (2000)

Wait and Bleed
Maggot Corps Box Set (2000)

Spit It Out
Surfacing (Live)
Wait And Bleed (Live)
Wait And Bleed (Terry Date Mix)
Spit It Out (Over caffeinated Hyper Version)
(sic) [Molt-Injected Mix]

Rock Sound (2001)

Promotional CD bundled with the magazine. Contains the music video of "Wait and Bleed". 

Singles/Demos
Slipknot [Demo] (1999)

Released before the final self-titled album came out. The demo contained only two tracks from the album: Surfacing (Rough Mix) and Spit It Out (Demo). The album cover is a "family" picture with all nine members grouped together. Available in CD format only.

Wait and Bleed [Single] (1999)

This promo album has been released early 2000 to promote the bands current single Wait and Bleed. The album contains the tracks: Wait and Bleed (Terry Date Remix), Spit It Out (Over-caffeinated Hyper version) and (sic) [Molt-Injected Mix].

Spit it Out [Single] (2000)

Spit It Out
Surfacing [Live]
Wait and Bleed [Live]
Left Behind [Single] (2001)

Left Behind
Liberate (Live)
Surfacing (Live)
Left Behind music video (Directors Cut)

My Plague [Single] (2002)

My Plague (New Abuse Mix)
The Heretic Anthem (Live)
Sic (Live)
Duality [Single] (2004)

Duality [Edit]
Don't Get Close [B-side]
Disasterpiece [Live] - From the live DVD
 
Vermilion [Single] (2004)

Vermilion (Single version)
Scream
Danger: Keep Away
Vermilion (Video)