what team has the worst goal differential of all-time single season

The Washington Capitals have the lowest goal differential by a team in a season, with a differential of -265 goals in 1974-75.

	TEAM	DIFF	SEASON	GP	W	L	T	OTL	PTS	PTS%	SOW	SOL	G	GA	PP%	PK%	S/GP	S%	SA/GP	SV%
1	Capitals	-265	1974-75	80	8	67	5		21	.131			181	446			23.06	9.8	38.30	.854
2	Senators	-196	1993-94	84	14	61	9		37	.220			201	397	14.5	73.3	25.58	9.4	33.05	.857
3	Sharks	-196	1992-93	84	11	71	2		24	.143			218	414	16.1	76.6	28.38	9.1	36.67	.866
4	Senators	-193	1992-93	84	10	70	4		24	.143			202	395	14.7	75.0	27.15	8.9	31.83	.852
5	Islanders	-177	1972-73	78	12	60	6		30	.192			170	347			25.03	8.7	34.55	.871
6	Capitals	-170	1975-76	80	11	59	10		32	.200			224	394			24.41	11.5	36.94	.867
7	Nordiques	-167	1989-90	80	12	61	7		31	.194			240	407	18.9	74.3	28.76	10.4	34.42	.852
8	Scouts	-161	1975-76	80	12	56	12		36	.225			190	351			27.40	8.7	36.17	.879
9	Jets	-154	1980-81	80	9	57	14		32	.200			246	400	17.3	74.2	28.28	10.9	34.90	.857
10	Red Wings	-149	1985-86	80	17	57	6		40	.250			266	415	20.9	71.0	28.50	11.7	32.85	.842
11	Rangers	-148	1943-44	50	6	39	5		17	.170			162	310
12	Golden Seals	-147	1973-74	78	13	55	10		36	.231			195	342			25.55	9.8	34.62	.873
13	Sharks	-146	2023-24	82	19	54		9	47	.287	1	5	180	326	20.2	75.4	25.23	8.7	35.13	.887
14	Scouts	-144	1974-75	80	15	54	11		41	.256			184	328			27.79	8.3	35.06	.883
15	Thrashers	-143	1999-00	82	14	57	7	4	39	.238			170	313	12.6	80.3	25.79	8.0	31.01	.877
16	Whalers	-142	1982-83	80	19	54	7		45	.281			261	403	19.0	75.4	28.58	11.4	35.89	.860
17	Sharks	-140	1991-92	80	17	58	5		39	.244			219	359	17.1	78.1	29.25	9.4	36.25	.876
18	Penguins	-137	1982-83	80	18	53	9		45	.281			257	394	22.5	72.5	30.23	10.6	32.69	.849
19	Penguins	-136	1983-84	80	16	58	6		38	.238			254	390	20.9	76.0	28.34	11.2	36.35	.866
20	Ducks	-129	2022-23	82	23	47		12	58	.354	3	3	206	335	15.7	72.1	28.37	8.9	39.11	.896
21	Bruins	-129	1961-62	70	15	47	8		38	.271			177	306			30.94	8.2	35.19	.876
22	Capitals	-126	1977-78	80	17	49	14		48	.300			195	321	12.5	71.4	24.95	9.8	31.25	.872
23	Red Wings	-126	1976-77	80	16	55	9		41	.256			183	309			27.48	8.3	29.06	.867
24	Red Wings	-123	2019-20	71	17	49		5	39	.275	3	2	142	265	14.9	74.3	27.10	7.4	32.80	.886
25	Kings	-122	1969-70	76	14	52	10		38	.250			168	290			30.33	7.3	34.80	.890