The Ultimate SpotVault, Lost

The Ultimate SpotVault is a fully sortable record of every single episode in the history of a veteran series. This allows you to compare both raw numbers (total viewership and adults 18-49 rating) as well as the historical-adjusted stat A18-49+ for episodes across different seasons. This table also has the lead-in's A18-49+ for each episode, so you can see which episodes had the most and least support.

Just click any category name at the top to sort, and hold SHIFT and click another to sort by the second category within the first. (For example, click '#' and SHIFT-click 'A18-49+' to arrange all season premieres by A18-49+.)

See the bottom of this page for a few additional pointers and explanations.

Tot#	Seas	#	Date	Viewers	A18-49	A18-49+	Lead	Title
1	1	1	9/22/2004	18.70	6.8	167	Loc	Pilot (Part 1 of 2)
2	1	2	9/29/2004	17.00	6.5	160	Loc	Pilot (Part 2 of 2)
3	1	3	10/6/2004	16.50	6.2	152	Loc	Tabula Rasa
4	1	4	10/13/2004	18.20	6.8	167	Loc	Walkabout
5	1	5	10/20/2004	16.82	6.3	155	Loc	White Rabbit
6	1	6	10/27/2004	16.80	6.4	157	Loc	House of the Rising Sun
7	1	7	11/3/2004	18.73	6.7	165	Loc	The Moth
8	1	8	11/10/2004	18.40	6.8	167	Loc	Confidence Man
9	1	9	11/17/2004	17.60	6.8	167	Loc	Solitary
10	1	10	12/1/2004	17.15	5.9	145	Loc	Raised by Another
11	1	11	12/8/2004	18.88	7.0	172	Loc	All the Best Cowboys Have Daddy Issues
12	1	12	1/5/2005	21.59	8.4	206	Loc	Whatever the Case May Be
13	1	13	1/12/2005	20.81	7.9	194	Loc	Hearts and Minds
14	1	14	1/19/2005	19.69	7.4	182	Loc	Special
15	1	15	2/9/2005	19.48	7.5	184	Loc	Homecoming
16	1	16	2/16/2005	17.88	6.7	165	Loc	Outlaws
17	1	17	2/23/2005	19.49	7.5	184	Loc	...in Translation
18	1	18	3/2/2005	18.85	7.0	172	Loc	Numbers
19	1	19	3/30/2005	17.75	6.5	160	Loc	Deus Ex Machina
20	1	20	4/6/2005	17.12	6.0	147	Loc	Do No Harm
21	1	21	5/4/2005	17.20	6.3	155	Loc	The Greater Good
22	1	22	5/11/2005	17.10	6.5	160	Loc	Born to Run
23	1	23	5/18/2005	18.62	6.7	165	Loc	Exodus (Part 1 of 3)
24	1	99	5/25/2005	20.71	7.8	192	Loc	Exodus (Part 2 of 3); Exodus (Part 3 of 3)
25	2	1	9/21/2005	23.47	10.2	251	145	Man of Science, Man of Faith
26	2	2	9/28/2005	23.17	9.7	239	103	Adrift
27	2	3	10/5/2005	22.38	9.3	229	86	Orientation
28	2	4	10/12/2005	21.67	9.4	232	103	Everybody Hates Hugo
29	2	5	10/19/2005	21.38	9.3	229	86	...and Found
30	2	6	11/9/2005	20.01	8.3	204	86	Abandoned
31	2	7	11/16/2005	21.87	9.2	227	89	The Other 48 Days
32	2	8	11/23/2005	19.29	7.8	192	64	Collision
33	2	9	11/30/2005	21.54	8.9	219	74	What Kate Did
34	2	10	1/11/2006	20.56	8.5	209	126	The 23rd Psalm
35	2	11	1/18/2006	19.13	8.0	197	54	The Hunting Party
36	2	12	1/25/2006	19.05	8.0	197	59	Fire Plus Water
37	2	13	2/8/2006	18.74	7.7	190	54	The Long Con
38	2	14	2/15/2006	18.20	7.8	192	59	One of Them
39	2	15	3/1/2006	16.43	6.9	170	52	Maternity Leave
40	2	16	3/22/2006	16.06	6.6	163	79	The Whole Truth
41	2	17	3/29/2006	16.20	6.7	165	66	Lockdown
42	2	18	4/5/2006	16.38	6.9	170	59	Dave
43	2	19	4/12/2006	15.68	6.3	155	52	S.O.S.
44	2	20	5/3/2006	15.56	6.4	158	44	Two for the Road
45	2	21	5/10/2006	16.35	6.9	170	54	?
46	2	22	5/17/2006	14.67	6.1	150	44	Three Minutes
47	2	99	5/24/2006	17.84	7.6	187	79	Live Together, Die Alone
48	3	1	10/4/2006	18.82	7.7	204	119	A Tale of Two Cities
49	3	2	10/11/2006	16.89	6.9	183	122	The Glass Ballerina
50	3	3	10/18/2006	16.31	6.6	175	133	Further Instructions
51	3	4	10/25/2006	17.09	7.1	188	135	Every Man for Himself
52	3	5	11/1/2006	16.07	6.6	175	127	The Cost of Living
53	3	6	11/8/2006	17.15	7.0	186	138	I Do
54	3	7	2/7/2007	14.49	6.4	170	96	Not in Portland
55	3	8	2/14/2007	12.84	5.7	151	53	Flashes Before Your Eyes
56	3	9	2/21/2007	12.95	5.7	151	58	Stranger in a Strange Land
57	3	10	2/28/2007	12.78	5.7	151	50	Tricia Tanaka Is Dead
58	3	11	3/7/2007	12.45	5.6	149	69	Enter 77
59	3	12	3/14/2007	12.48	5.4	143	53	Par Avion
60	3	13	3/21/2007	12.22	5.3	141	58	The Man from Tallahassee
61	3	14	3/28/2007	11.52	5.1	135	50	Expose
62	3	15	4/4/2007	11.66	4.9	130	53	Left Behind
63	3	16	4/11/2007	12.09	5.2	138	40	One of Us
64	3	17	4/18/2007	12.08	5.3	141	40	Catch-22
65	3	18	4/25/2007	11.86	5.0	133	37	D.O.C.
66	3	19	5/2/2007	12.33	5.3	141	37	The Brig
67	3	20	5/9/2007	12.11	5.0	133	50	The Man Behind the Curtain
68	3	21	5/16/2007	12.32	5.2	138	48	Greatest Hits
69	3	99	5/23/2007	13.86	5.9	157	56	Through the Looking Glass (Part 1 of 2); Through the Looking Glass (Part 2 of 2)
70	4	1	1/31/2008	16.14	6.7	203	151	The Beginning of the End
71	4	2	2/7/2008	15.29	6.5	197	63	Confirmed Dead
72	4	3	2/14/2008	13.76	5.8	175	63	The Economist
73	4	4	2/21/2008	13.65	5.7	172	51	Eggtown
74	4	5	2/28/2008	12.89	5.4	163	48	The Constant
75	4	6	3/6/2008	13.01	5.4	163	57	The Other Woman
76	4	7	3/13/2008	12.08	4.9	148	54	Ji Yeon
77	4	8	3/20/2008	11.46	4.6	139	70	Meet Kevin Johnson
78	4	9	4/24/2008	12.08	5.3	160	197	The Shape of Things to Come
79	4	10	5/1/2008	10.73	4.7	142	184	Something Nice Back Home
80	4	11	5/8/2008	10.78	4.7	142	193	Cabin Fever
81	4	12	5/15/2008	10.96	4.9	148	184	There's No Place Like Home (Part 1 of 3)
82	4	99	5/29/2008	12.30	4.9	148	63	There's No Place Like Home (Part 2 of 3); There's No Place Like Home (Part 3 of 3)
83	5	1	1/21/2009	11.35	5.0	166	110	Because You Left; The Lie
84	5	2	1/28/2009	11.23	4.9	163	60	Jughead
85	5	3	2/4/2009	11.01	4.7	156	57	The Little Prince
86	5	4	2/11/2009	9.82	4.4	146	53	This Place Is Death
87	5	5	2/18/2009	11.41	5.2	173	63	316
88	5	6	2/25/2009	10.05	4.4	146	57	The Life and Death of Jeremy Bentham
89	5	7	3/4/2009	10.65	4.9	163	53	LaFleur
90	5	8	3/18/2009	9.40	4.3	143	70	Namaste
91	5	9	3/25/2009	9.04	4.1	136	60	He's Our You
92	5	10	4/1/2009	9.57	4.3	143	63	Whatever Happened, Happened
93	5	11	4/8/2009	8.56	3.8	126	57	Dead Is Dead
94	5	12	4/15/2009	9.23	4.0	133	63	Some Like It Hoth
95	5	13	4/29/2009	9.04	4.1	136		The Variable
96	5	14	5/6/2009	8.70	4.0	133	70	Follow the Leader
97	5	99	5/13/2009	9.43	4.4	146	83	The Incident
98	6	1	2/2/2010	12.09	5.5	195	146	LA X (Part 1 of 2); LA X (Part 2 of 2)
99	6	2	2/9/2010	11.05	5.0	178	60	What Kate Does
100	6	3	2/16/2010	9.82	4.5	160	53	The Substitute
101	6	4	2/23/2010	9.95	4.6	163	53	Lighthouse
102	6	5	3/2/2010	9.29	4.1	146	57	Sundown
103	6	6	3/9/2010	9.49	4.2	149	53	Dr. Linus
104	6	7	3/16/2010	8.87	3.9	139	46	Recon
105	6	8	3/23/2010	9.31	4.0	142	53	Ab Aeterno
106	6	9	3/30/2010	10.13	4.1	146	107	The Package
107	6	10	4/6/2010	9.55	3.9	139	89	Happily Ever After
108	6	11	4/13/2010	9.48	3.9	139	99	Everybody Loves Hugo
109	6	12	4/20/2010	9.53	3.7	131	85	The Last Recruit
110	6	13	5/4/2010	9.59	4.0	142	85	The Candidate
111	6	14	5/11/2010	10.32	4.1	146	89	Across the Sea
112	6	15	5/18/2010	10.47	4.3	153	89	What They Died For
113	6	99	5/23/2010	13.57	5.8	206	146	The End

A few pointers for these tables:

1. 'Tot#' refers to the episode number in the entire history of the series. For now, double-length episodes with only one rating count just once in this number, but we may be able to change that in the future. '#' is the episode number within just its season. Season finales are always given a # of 99, which allows all finales to be more easily sorted together. Whenever there's a 99, though, you can hover over that number 99 to see what the actual season episode number is.

2. Hover over any lead-in number to see the name of the lead-in program!

3. As in the SpotVault proper, 'Lead' generally refers to the rating in just the last half-hour, providing a better picture of who was watching immediately before the show started. However, those breakdowns are not always available. In those situations the 'Lead' will be in italics, meaning 'Lead-in' refers to the entire program and not just the last half-hour. The general rule is that breakdowns are not available for the entire 2008-09, 2009-10 and 2015-16 seasons, plus a handful of weeks in other seasons (mostly holiday/summer weeks).