 Their attempt at a date was interrupted by the crew of the Hammersley, and the discussion went unresolved.Mike's feelings for Kate became apparent in episode 14 of Season 4 (“Live Catch”), when he inadvertently referred to her as Kate, rather than the XO, to Dutchy, while Kate was in danger.In the final of Season 4 (“In Too Deep”), Mike rescued a baby and the father from drowning, and the father announced to him that “I owe you my life”.