A search for an underground escape route said to have been used by Al Capone. Also: who or what built earthen mounds in Washington state.
IMDb rating
6.2(201 votes)
Episode average
7.1+0.9 vs IMDb
Seasons
2
Language
EN
Type
TV series
Declining trajectory: each season no better than the last. Rising Shows ranks whole shows by the shape of their rating trend rather than one average score, which is how you find a show that got better rather than a show that started well. See every Declining show in the explorer →
