There have been a number of CDs released featuring soundtracks from the television series Lost in Space.

GNP Crescendo released the first album in 1997 as part of The Fantasy Worlds of Irwin Allen, featuring music from "The Reluctant Stowaway" (tracks 2–5), "Island in the Sky" (tracks 6 and 7) and "The Hungry Sea" (tracks 8–10).

All music composed by John Williams.

1. Lost in Space Main Title (:56)
2. Smith's Evening/Judo Chop/On the Pad/Countdown (8:54)
3. Escape Velocity/Robot Control/Meteor Storm/Defrosting (7:58)
4. The Weightless Waltz (2:30)
5. The Monster Rebels/A Walk in Space/Finale (7:49)
6. Suiting Up/Stranglehold/The Landing/Search for John (12:20)
7. Tractor Play-on/Electric Sagebrush/Will Is Threatened (2:30)
8. The Earthquake (2:44)
9. Chariot Titles/Fahrenheit a Go-Go/The Chariot Continues/Sunstorm (3:41)
10. Morning After/The Inland Sea/Land Ho/Strange Visitor (7:54)
11. Lost in Space End Title (:50)

GNP Crescendo released the second album in 1997 as part of the abovementioned set, featuring music from "Wild Adventure" (tracks 2–4), "The Haunted Lighthouse" (tracks 5 and 6), and "The Great Vegetable Rebellion" (tracks 7 and 8).

Tracks in bold contain themes composed by John Williams.

1. Lost in Space Main Title: Season 3 – John Williams (1:03)
2. Million Miles/Dust Ball/Episode Titles – Alexander Courage (2:36)
3. Pushy Fellow – Alexander Courage (2:40)
4. Flying "A" Statin/Floating Lady/The Big Whew/Irwin Van Belt – Alexander Courage (8:48)
5. Opening Scene/J-5/Take-Off/F-12/Colonel Fogey/Penny And J-5/A Zaybo For Smith/Turkey Dinner/Act-Out on J-5 – Joseph Mullendore (10:30)
6. J-5 Listens to Penny/J-5 to the Rescue/Last Scene – Joseph Mullendore (4:22)
7. A Plant Planet – Alexander Courage (2:39)
8. Episode Titles/Howling Hyacinths/The Vegetable/Sprouting Smith/Vic's Smithy/Judy's Goat/The Dry Boys/Caught by a Carrot – Alexander Courage (11:43)
9. Lost in Space End Title: Season 3 – John Williams (:51)

GNP Crescendo released the third album in 2000, featuring music from "The Derelict" by Richard LaSalle, Herman Stein and Hans J. Salter (tracks 1 and 3–11) and "My Friend Mr. Nobody" by John Williams (tracks 12–17).

Single-asterisked cues by Richard LaSalle. **by Herman Stein. ***by Hans J. Salter.

Tracks in bold contain themes composed by John Williams.

1. Rescued From Space*/The Comet Cometh** (8:36)
2. Lost in Space Main Title: Season 1 – John Williams (:58)
3. Derelict Title**/Don Rescues John and Maureen* (5:30)
4. The Robot Performs* (1:19)
5. Writing In The Log*/Family** (1:58)
6. The Treatment*/Swallowed** (4:18)
7. Flashing Lights***/Frontal Robotomy*** (:39)
8. Filmy Spider Web***/Crystalline Power Source*** (3:30)
9. Smart Kid***/Bubble Monster* (5:30)
10. Lift Off*** (4:21)
11. New Planet*/Continued Next Week** (01:34)
12. Wonderland Discovery (2:58)
13. Hairstyle Book/Penny's Friend/Diamonds/Penny/Diamond Play Off (4:13)
14. Penny's Cave/To The Cave/Gathering Wild Flowers/Moving Rocks (5:44)
15. Mother & Daughter/Penny's Problem (5:54)
16. Storm Coming Up/A New Galaxy (3:57)
17. Lost in Space End Credits: Season 1 – John Williams (:53)
18. Lost in Space Unused 2nd Season Main Title – Warren Barker (:48)

In 2005 La-La Land Records released a two-disc set covering many of the series' composers. Cues in bold are previously unreleased.

Disc 1: "The Reluctant Stowaway" (tracks 2–7), "Island In The Sky" (tracks 8–15), "The Hungry Sea" (tracks 16–19) and "My Friend Mr. Nobody" (tracks 20–21); all music by John Williams. Although all four episodes were represented on the previous albums, not all of the music is replicated here.

1. Lost in Space Season 1 Main Title (:53)
2. Smith's Entrance (2:45)
3. Final Countdown (4:33)
4. Escape Velocity/Meteor Storm (5:41)
5. Weightless Waltz (3:37)
6. Monster Rebels (3:40)
7. Walk In Space/To Be Continued (7:35)
8. Strange Planet/John's Descent (1:30)
9. Helmet It (1:19)
10. Strangle Hold/Landing (6:24)
11. Lil’ Will And The Robot (1:29)
12. Search For John (4:13)
13. Monkey's Doo (4:52)
14. Operation Rescue (1:16)
15. Personal Chauffeur/Electric Sagebrush/Will Is Threatened (2:34)
16. Earthquake (2:45)
17. Temperature Rising/Boring Company/Don's Rays (4:08)
18. Warming Rays/Sun Storm (3:00)
19. Land Ho/Kid's Play-Off (2:36)
20. Wonderland Discovery/Penny's Problem/Gathering Wild Flowers (9:33)
21. New Galaxy (2:26)
22. Lost in Space Season 1 End Title (:50)

Disc 2

1. "CBS Presents This Special Program In Color" (:08)
2. Lost in Space Season 3 Main Title – John Williams (1:02)
3. "The Derelict": Derelict Title (Herman Stein)/Frontal Robotomy (Hans J. Salter)/Family (Herman Stein)(2:00)
4. "There Were Giants In The Earth": Microscope/Pod Almighty – Herman Stein (1:49)
5. "Welcome Stranger": Stranger/Friend Or Foe/Permission/Spore Sprayer/The Robinsons/Upper-Ration/Hapgood/Star Charts (Frank Comstock)/Tall Tail/Blast Off (Frank Comstock) – Herman Stein except where indicated (17:33)
6. Lost in Space Season 3 Bumper – John Williams (:05)
7. "Blast Off Into Space": The Family/Quake/Mine Entrance/Galaxies Wins/Spilled Cosmonium/It's Alive/Cosmonium Fiend/One Last Check/Family/Blast Off/Thruster Control Short/Thruster Control Continued/Freeze Frame – Leith Stevens (15:58)
8. "The Curse Of Cousin Smith": Mississippi Shuffle – Robert Drasnin (1:28)
9. "The Curse Of Cousin Smith": Little Joe's Yes – Robert Drasnin (1:22)
10. "Girl From The Green Dimension": Mulberry Bush/What A Knight – Alexander Courage (4:26)
11. "Cave Of The Wizards": Mummy's Boy/Draconian Anthem/King Queen – Alexander Courage (5:16)
12. "Collision Of Planets": The Aliens/Sampson March/1st Blast – Gerald Fried (3:27)
13. "The Promised Planet": Space-A-Delic – Pete Rugolo (3:50)
14. Senior – from "The Sky Pirate" (Leigh Harline)/Introduction – from "Ghost In Space" (Leigh Harline)/The Search – from "The Sky Pirate" (Lionel Newman) (3:58)
15. "The Sky Pirate": A Nice Little Bank/Investigation (Cyril Mockridge) (2:52)
16. "Space Circus": Terror Stinger/Another World/Ominous Signs/Awful Monster/Silly Monster – Fred Steiner (8:02)
17. "Forbidden World": Space Walk – Robert Drasnin (:39)
18. Lost in Space Season 2 Main Title (unused) – Warren Barker (:58)
19. Lost in Space Season 3 End Title – John Williams (1:09)

"Space-A-Delic" was previously released as part of the bonus CD in the box set The Fantasy Worlds Of Irwin Allen.

In 2015 La-La Land Records issued a 12-disc boxed set of music from the series, featuring all the episode scores and the tracked-in music for the unaired pilot "No Place To Hide" (which used music by Bernard Herrmann, Leigh Harline and Lionel Newman).^[1]

• Lost in Space at IMDb