While not technically S1E2 by air date, "Where No Man Has Gone Before" is widely recognized as the "Second Pilot".
In a shocking turn for a tropical island, the group is attacked by a polar bear , which Sawyer kills with a gun he took from the dying U.S. Marshal. [S1E2] Pilot (2)
Upon reaching the peak, Sayid manages to pick up a signal. However, it is a looped distress call in French that has been playing for 16 years , leading to the haunting realization: "Where are we?". While not technically S1E2 by air date, "Where