The Boston Bruins were 5-0-0 4 times.

bruins playoff record after having the best record in a season in the league

	TEAM	REC	SEASON	GP	W	L	T	G	GA	DIFF	PP%	PK%	S/GP	S%	SA/GP	SV%
1	Bruins	5-0-0	1928-29	5	5	0		9	3	6
2	Bruins	12-2-0	1969-70	14	12	2		65	33	32			34.14	13.6	30.36	.922
3	Bruins	12-3-0	1971-72	15	12	3		64	34	30			32.87	13.0	30.07	.925
4	Bruins	8-3-0	1940-41	11	8	3		27	23	4
5	Bruins	10-5-0	1977-78	15	10	5		53	42	11	26.2	78.8	26.87	13.2	24.53	.886
6	Bruins	8-4-0	1938-39	12	8	4		26	18	8
7	Bruins	16-9-0	2010-11	25	16	9		81	53	28	11.4	84.4	31.92	10.2	34.04	.938
8	Bruins	14-8-0	2012-13	22	14	8		65	47	18	17.5	88.7	35.55	8.3	34.64	.938
9	Bruins	7-4-0	2008-09	11	7	4		34	22	12	14.0	88.9	29.91	10.3	29.45	.932
10	Bruins	7-4-0	1978-79	11	7	4		36	32	4	24.0	75.0	27.45	11.9	27.18	.893
11	Bruins	15-9-0	2018-19	24	15	9		79	51	28	32.4	88.4	32.63	10.1	31.00	.931
12	Bruins	10-6-0	1973-74	16	10	6		58	44	14			34.63	10.5	30.56	.910
13	Bruins	13-8-0	1989-90	21	13	8		62	59	3	16.1	89.8	28.43	10.4	25.86	.891
14	Bruins	6-4-0	1968-69	10	6	4		40	20	20			37.30	10.7	33.60	.940
15	Bruins	7-5-0	2013-14	12	7	5		30	26	4	26.5	77.8	33.00	7.6	29.08	.926
16	Bruins	8-6-0	1976-77	14	8	6		50	48	2			29.43	12.1	23.93	.857
17	Bruins	12-10-1	1987-88	22	12	10	1	82	69	13	15.2	81.8	27.73	13.4	26.18	.880
18	Bruins	6-5-0	2020-21	11	6	5		33	32	1	36.4	75.7	35.82	8.4	31.00	.906
19	Bruins	6-5-0	1981-82	11	6	5		43	39	4			30.73	12.7	26.64	.867
20	Bruins	7-6-0	2009-10	13	7	6		36	37	-1	24.4	90.0	31.85	8.7	31.54	.910
21	Bruins	8-7-0	1991-92	15	8	7		40	51	-11	18.0	80.5	28.67	9.3	27.33	.876
22	Bruins	9-8-0	1982-83	17	9	8		65	61	4	16.9	77.6	29.53	12.9	28.29	.873
23	Bruins	10-9-0	1990-91	19	10	9		60	62	-2	24.0	81.5	29.89	10.6	31.00	.895
24	Bruins	6-6-0	1998-99	12	6	6		30	27	3	15.3	83.0	28.08	8.9	27.58	.918
25	Bruins	5-5-0	1988-89	10	5	5		29	30	-1	12.8	84.1	27.40	10.6	24.80	.879