Episode 1

S04 E01 • Saturday, Jun 7, 2014 • Jun 7

Episode 2

S04 E02 • Saturday, Jun 14, 2014 • Jun 14

Episode 3

S04 E03 • Saturday, Jun 28, 2014 • Jun 28

The Krays

S04 E04 • Saturday, Jul 5, 2014 • Jul 5

The notorious Kray brothers, twins who ruled the criminal underworld in early 1960s London, are profiled.

Episode 5

S04 E05 • Saturday, Jul 12, 2014 • Jul 12

Episode 6

S04 E06 • Saturday, Jul 26, 2014 • Jul 26

Episode 7

S04 E07 • Saturday, Sep 6, 2014 • Sep 6

Episode 8

S04 E08 • Saturday, Sep 13, 2014 • Sep 13

Episode 9

S04 E09 • Saturday, Sep 27, 2014 • Sep 27

Episode 10

S04 E10 • Saturday, Oct 4, 2014 • Oct 4

Episode 11

S04 E11 • Saturday, Oct 11, 2014 • Oct 11

Episode 12

S04 E12 • Saturday, Oct 18, 2014 • Oct 18