S01E08: History's Mysteries
S01E09: History's Mysteries
S02E04: History's Mysteries
S03E12: History's Mysteries
S04E03: History's Mysteries
S06E09: History's Mysteries
S06E10: History's Mysteries
S07E01: History's Mysteries
S09E08: History's Mysteries
S10E01: History's Mysteries
S12E03: History's Mysteries
S12E07: History's Mysteries
S13E01: History's Mysteries
S13E12: History's Mysteries
S13E17: History's Mysteries
S13E26: History's Mysteries