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Episode ratings for the MBC drama The Secret House

Date	Episode	TNmS (%)	Nielsen Korea (%)
		Nationwide	Nationwide	Seoul
2022-04-11	01	-	4.9 (12th)	4.6 (14th)
2022-04-12	02	5.8	5.4 (12th)	5.2 (12th)
2022-04-13	03	7.8	5.7 (9th)	5.5 (9th)
2022-04-14	04	7.2	5.5 (10th)	5.0 (12th)
2022-04-15	05	5.8	4.7 (14th)	4.6 (15th)
2022-04-18	06	6.5	5.8 (11th)	5.3 (12th)
2022-04-19	07	6.8	5.8 (8th)	5.5 (6th)
2022-04-20	08	6.8	5.2 (13th)	4.4 (15th)
2022-04-21	09	6.8	6.1 (8th)	5.8 (8th)
2022-04-22	10	6.2	5.5 (12th)	5.6 (11th)
2022-04-25	11	7.4	5.7 (11th)	5.2 (11th)
2022-04-26	12	5.7	5.1 (11th)	4.6 (11th)
2022-04-27	13	6.7	5.1 (11th)	4.9 (12th)
2022-04-28	14	7.9	6.0 (9th)	5.9 (7th)
2022-04-29	15	6.8	5.6 (11th)	5.7 (10th)
2022-05-02	16	6.6	5.4 (12th)	5.1 (14th)
2022-05-03	17	6.9	5.3 (12th)	5.1 (11th)
2022-05-04	18	7.2	4.9 (11th)	5.1 (10th)
2022-05-05	19	7.1	5.8 (6th)	5.5 (6th)
2022-05-06	20	6.6	5.0 (13th)	5.3 (12th)
2022-05-09	21	6.4	5.4 (8th)	5.2 (8th)
2022-05-10	22	5.1	4.0 (17th)	3.9 (16th)
2022-05-11	23	6.9	5.1 (9th)	5.2 (8th)
2022-05-12	24	7.1	6.0 (6th)	5.5 (7th)
2022-05-13	25	6.9	5.2 (11th)	4.9 (12th)
2022-05-16	26	7.3	5.6 (11th)	5.7 (9th)
2022-05-17	27	6.1	4.7 (12th)	4.4 (16th)
2022-05-18	28	6.9	4.8 (13th)	4.1 (15th)
2022-05-19	29	7.0	5.6 (7th)	5.6 (7th)
2022-05-23	30	6.3	4.6 (16th)	4.7 (15th)
2022-05-24	31	6.5	4.8 (13th)	4.4 (15th)
2022-05-25	32	7.0	5.2 (11th)	5.0 (10th)
2022-05-26	33	6.6	5.2 (9th)	5.1 (9th)
2022-05-27	34	5.0	3.8 (17th)	3.6 (16th)
2022-05-30	35	7.2	5.4 (14th)	5.1 (13th)
2022-05-31	36	4.3	3.5 (19th)	3.6 (14th)
2022-06-02	37	7.1	5.0 (9th)	5.0 (8th)
2022-06-03	38	6.4	4.8 (12th)	4.7 (11th)
2022-06-06	39	6.9	5.3 (12th)	5.5 (9th)
2022-06-07	40	6.8	5.6 (9th)	5.4 (8th)
2022-06-08	41	6.8	5.3 (12th)	5.5 (9th)
2022-06-09	42	7.6	5.3 (9th)	5.0 (10th)
2022-06-10	43	7.2	5.2 (12th)	5.6 (11th)
2022-06-13	44	7.4	5.5 (11th)	5.2 (11th)
2022-06-14	45	7.4	6.0 (9th)	5.5 (8th)
2022-06-15	46	7.6	5.5 (11th)	5.5 (10th)
2022-06-16	47	7.9	6.0 (7th)	5.5 (6th)
2022-06-17	48	7.4	5.5 (11th)	5.3 (10th)
2022-06-20	49	7.6	5.3 (12th)	5.3 (10th)
2022-06-21	50	5.2	4.1 (15th)	4.2 (13th)
2022-06-22	51	7.7	5.8 (9th)	5.5 (7th)
2022-06-23	52	8.6	6.8 (6th)	6.9 (5th)
2022-06-24	53	6.5	5.8 (10th)	5.9 (10th)
2022-06-27	54	8.0	5.8 (12th)	5.5 (12th)
2022-06-28	55	8.3	5.8 (10th)	5.6 (10th)
2022-06-29	56	7.9	6.1 (9th)	6.0 (10th)
2022-06-30	57	7.3	5.6 (10th)	5.3 (10th)
2022-07-01	58	6.0	5.1 (11th)	4.6 (11th)
2022-07-04	59	6.8	6.1 (8th)	5.6 (9th)
2022-07-05	60	7.1	5.5 (11th)	4.8 (13th)
2022-07-06	61	7.0	5.5 (9th)	5.4 (7th)
2022-07-07	62	8.4	6.6 (6th)	6.3 (6th)
2022-07-08	63	-	5.3 (12th)	4.9 (13th)
2022-07-11	64	7.3	5.7 (10th)	5.4 (8th)
2022-07-12	65	7.6	6.2 (8th)	5.6 (7th)
2022-07-13	66	9.1	6.4 (9th)	5.8 (8th)
2022-07-14	67	7.6	6.3 (6th)	5.8 (5th)
2022-07-15	68	6.6	5.1 (10th)	4.8 (11th)
2022-07-18	69	8.5	6.1 (11th)	5.3 (13th)
2022-07-19	70	7.8	5.7 (9th)	5.4 (9th)
2022-07-20	71	7.7	6.3 (7th)	6.2 (7th)
2022-07-21	72	7.6	6.6 (6th)	6.6 (6th)
2022-07-22	73	7.6	6.0 (9th)	5.9 (9th)
2022-07-25	74	8.5	6.0 (7th)	5.4 (8th)
2022-07-26	75	7.2	6.2 (6th)	6.0 (6th)
2022-07-27	76	7.1	6.0 (8th)	5.2 (7th)
2022-07-28	77	7.8	6.6 (7th)	6.3 (6th)
2022-07-29	78	7.6	6.1 (8th)	5.8 (8th)
2022-08-01	79	8.0	6.6 (7th)	6.1 (6th)
2022-08-02	80	7.7	6.2 (7th)	5.8 (6th)
2022-08-03	81	7.1	6.3 (6th)	6.1 (6th)
2022-08-04	82	7.9	6.5 (5th)	6.0 (5th)
2022-08-05	83	8.0	6.3 (7th)	5.9 (8th)
2022-08-08	84	8.5	6.8 (8th)	6.3 (11th)
2022-08-11	85	-	6.9 (6th)	6.1 (6th)
2022-08-12	86	7.5	6.3 (9th)	6.3 (8th)
2022-08-15	87	8.1	6.7 (8th)	6.5 (5th)
2022-08-16	88	8.5	6.8 (7th)	6.0 (8th)
2022-08-17	89	8.4	6.9 (6th)	6.5 (6th)
2022-08-18	90	8.5	7.3 (5th)	6.8 (4th)
2022-08-19	91	8.6	6.6 (8th)	6.2 (9th)
2022-08-22	92	8.4	6.8 (7th)	6.5 (7th)
2022-08-23	93	8.5	7.0 (6th)	6.4 (8th)
2022-08-24	94	7.5	6.6 (6th)	6.4 (5th)
2022-08-25	95	8.7	7.2 (5th)	6.6 (4th)
2022-08-26	96	8.1	7.2 (8th)	7.0 (8th)
2022-08-29	97	9.3	7.5 (6th)	7.4 (5th)
2022-08-30	98	8.6	7.5 (7th)	7.2 (5th)
2022-08-31	99	8.9	7.4 (6th)	7.0 (5th)
2022-09-01	100	9.6	7.6 (5th)	7.1 (4th)
2022-09-02	101	8.9	7.0 (7th)	6.6 (6th)
2022-09-06	102	8.4	7.2 (7th)	6.9 (6th)
2022-09-07	103	8.8	7.3 (6th)	7.0 (6th)
2022-09-08	104	9.4	6.6 (5th)	6.2 (5th)
2022-09-13	105	9.3	7.2 (5th)	6.2 (6th)
2022-09-14	106	10.1	7.2 (7th)	7.0 (6th)
2022-09-15	107	10.1	8.1 (5th)	7.8 (4th)
2022-09-16	108	9.4	7.5 (6th)	7.1 (6th)
2022-09-19	109	9.4	7.1 (5th)	7.2 (4th)
2022-09-20	110	9.4	7.1 (5th)	6.9 (5th)
2022-09-21	111	9.0	7.1 (6th)	6.6 (7th)
2022-09-22	112	8.2	7.3 (5th)	6.8 (5th)
2022-09-23	113	8.2	7.6 (6th)	7.3 (6th)
2022-09-26	114	10.0	7.5 (5th)	7.4 (4th)
2022-09-27	115	9.7	7.7 (4th)	7.3 (4th)
2022-09-28	116	9.6	8.1 (4th)	7.9 (5th)
2022-09-29	117	9.4	8.4 (4th)	8.2 (3rd)
2022-09-30	118	-	6.8 (7th)	6.3 (6th)
2022-10-03	119	9.3	8.0 (5th)	7.9 (4th)
2022-10-04	120	9.9	7.5 (6th)	7.5 (4th)
2022-10-05	121	9.6	7.0 (6th)	6.4 (6th)
2022-10-06	122	10.2	7.5 (5th)	7.0 (4th)
2022-10-07	123	8.9	8.0 (5th)	8.0 (5th)
2022-10-10	124	9.0	7.6 (6th)	7.5 (5th)
Average		-	6.1%	5.8%

Source: TNmS Media, Nielsen Korea

Notes

• No episode aired May 20 due to the news coverage of US President Joe Biden's visit to South Korea.
• No episode aired Jun. 1 due to news coverage of the 2022 Korean Local Election returns.
• No episodes aired on Aug. 9 & 10 due to MBC News Specials.
• No episode aired on Sep. 5 due to special news coverage of Typhoon Hinnamnor.
• No episodes aired on Sep. 9 & 12 due to the broadcast of the 2022 Idol Star Athletics Championships.