This time it is a race through the jungle to find Claire and Charlie as Jack wrestles with his own guilt and clashes with Locke for the very first time. It's an exciting and eventful episode but I have some issues with it, which I shall get into. We will also answer major mysteries concerning Ethan Rom and his backstory, as well as unpack The Hatch and its history to understand why its discovery is such a landmark moment in the series.