| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | 真相背后，启程在即 |
December 20, 2019
|
15 | |
| S04E02 | 失踪的古卷（上） |
December 27, 2019
|
15 | |
| S04E03 | 失踪的古卷（下） |
January 3, 2020
|
15 | |
| S04E04 | 深夜长安连续伤人事件（上） |
January 10, 2020
|
15 | |
| S04E05 | 深夜长安连续伤人事件（下） |
January 17, 2020
|
15 | |
| S04E06 | 陷阱 |
January 24, 2020
|
15 | |
| S04E07 | 琵琶失窃案 |
January 31, 2020
|
15 | |
| S04E08 | 大梦长安（上） |
March 6, 2020
|
15 | |
| S04E09 | 大梦长安（中） |
March 13, 2020
|
15 | |
| S04E10 |
大梦长安（下）
season finale
|
March 20, 2020
|
15 | |
| S04E11 | 终局（上） |
March 27, 2020
|
15 | |
| S04E12 |
终局（下）
series finale
|
April 3, 2020
|
15 |
No artwork of this type.
No artwork of this type.
No artwork of this type.