Deadliest Catch: On Deck: Season 4 - 18 Episode s
4x1 - Episode 1
April 5, 2016
4x2 - Episode 2
April 12, 2016
4x3 - Episode 3
April 19, 2016
4x4 - Episode 4
April 26, 2016
4x5 - Episode 5
May 3, 2016
Jake Anderson tries a dangerous short cut with only one working engine on the boat; Casey and Josh perform surgery at sea; Edgar Hansen captains the ship while his son Eric works as greenhorn; Captain Keith turns his life around.
4x6 - Episode 6
May 10, 2016
4x7 - Episode 7
May 17, 2016
4x8 - Episode 8
May 24, 2016
4x9 - Episode 9
May 31, 2016
4x10 - Episode 10
June 7, 2016
4x11 - Episode 11
June 14, 2016
4x12 - Episode 12
June 21, 2016
4x13 - Episode 13
July 12, 2016
4x14 - Episode 14
July 19, 2016
4x15 - Episode 15
July 26, 2016
4x16 - Episode 16
July 30, 2016
4x17 - Episode 17
August 9, 2016
4x18 - Episode 18
September 13, 2016