LOST IN SPACE EPISODE GUIDE

Here is the list of episodes of Lost in Space, given in production order. The order aired is given in the first column.

Season 1

Order aired	Production #	Date first aired	Episode
1	8501	15 September 1965	The Reluctant Stowaway
2	8502	22 September 1965	The Derelict
3	8503	29 September 1965	Island in the Sky
4	8504	6 October 1965	There Were Giants in the Earth
5	8505	13 October 1965	The Hungry Sea
6	8506	20 October 1965	Welcome Stranger
7	8507	27 October 1965	My Friend, Mr. Nobody
8	8508	3 November 1965	Invaders from the Fifth Dimension
9	8509	10 November 1965	The Oasis
10	8510	17 November 1965	The Sky is Falling
12	8511	1 December 1965	The Raft
11	8512	24 November 1965	Wish upon a Star
13	8513	8 December 1965	One of Our Dogs is Missing
14	8514	15 December 1965	Attack of the Monster Plants
15	8515	29 December 1965	Return from Outer Space
16	8516	12 January 1966	The Keeper (Part One)
17	8617	19 January 1966	The Keeper (Part Two)
18	8518	26 January 1966	The Sky Pirate
19	8519	2 February 1966	Ghost in Space
21	8520	16 February 1966	The Magic Mirror
20	8521	9 February 1966	The War of the Robots
22	8522	2 March 1966	The Challenge
23	8523	9 March 1966	The Space Trader
24	8524	16 March 1966	His Majesty Smith
25	8525	30 March 1966	The Space Croppers
26	8526	6 April 1966	All That Glitters
27	8527	13 April 1966	The Lost Civilization
28	8528	20 April 1966	A Change of Space
29	8529	27 April 1966	Follow the Leader

Order aired	Production #	Date first aired	Episode
30	9501	14 September 1966	Blast off into Space
31	9502	21 September 1966	Wild Adventure
32	9503	28 September 1966	The Ghost Planet
33	9504	5 October 1966	The Forbidden World
34	9505	12 October 1966	Space Circus
35	9506	19 October 1966	The Prisoners of Space
36	9507	26 October 1966	The Android Machine
37	9508	2 November 1966	The Deadly Games of Gamma 6
38	9509	9 November 1966	The Thief from Outer Space
39	9510	16 November 1966	Curse of Cousin Smith
43	9511	21 December 1966	The Dream Monster
40	9512	30 November 1966	West of Mars
41	9513	7 December 1966	A Visit to Hades
42	9514	14 December 1966	Wreck of the Robot
44	9515	28 December 1966	The Golden Man
45	9516	4 January 1967	The Girl from the Green Dimension
46	9517	11 January 1967	The Questing Beast
47	9518	25 January 1967	The Toymaker
48	9519	1 February 1967	Mutiny in Space
49	9520	8 February 1967	The Space Vikings
52	9521	1 March 1967	The Treasure of the Lost Planet
50	9522	15 February 1967	Rocket to Earth
57	9523	5 April 1967	The Mechanical Men
53	9524	8 March 1967	Revolt of the Androids
51	9525	22 February 1967	Cave of the Wizards
54	9526	15 March 1967	The Colonists
55	9527	22 March 1967	Trip Through the Robot
56	9528	29 March 1967	The Phantom Family
58	9529	12 April 1967	The Astral Traveler
59	9530	26 April 1967	The Galaxy Gift

Order aired	Production #	Date first aired	Episode
60	1501	6 September 1967	Condemned of Space
63	1502	27 September 1967	Hunter's Moon
64	1503	4 October 1967	The Space Primevals
70	1504	22 November 1967	Deadliest of the Species
61	1505	13 September 1967	Visit to a Hostile Planet
62	1506	20 September 1967	Kidnapped in Space
67	1507	25 October 1967	Flight into the Future
65	1508	11 October 1967	The Space Destructors
66	1509	18 October 1967	The Haunted Lighthouse
68	1510	8 November 1967	Collision of the Planets
69	1511	15 November 1967	Space Creature
74	1512	27 December 1967	The Anti-Matter Man
73	1513	20 December 1967	Castles in Space
71	1514	29 November 1967	A Day at the Zoo
72	1515	13 December 1967	Two Weeks in Space
75	1516	3 January 1968	Target: Earth
81	1517	21 February 1968	The Flaming Planet
77	1518	17 January 1968	The Time Merchant
76	1519	10 January 1968	Princess of Space
78	1520	24 January 1968	The Promised Planet
82	1521	28 February 1968	The Great Vegetable Rebellion
79	1522	31 January 1968	Fugitives in Space
80	1523	14 February 1968	Space Beauty
83	1524	6 March 1968	Junkyard in Space