Jacks asks Locke Were's Kate.
We see this event in Season Two Episode One and again in Epsiode Two
In episode one Jack asks Locke were is kate
In season two he says it faster and the Pistol sounds dont happen at the same time.
(Pistol sound)Were's Kate,...........What the hell (Pistol sound)
S02E01
Were's Kate, (Pistol Sound) what the hell
S02E02