| Event | Episode Title |
| The Monster eats the pilot | |
| Sayid meets Rousseau | |
| Claire gives birth to Aaron | |
| Jack gets a piece of Arnzt on him | |
| Jack and Locke watch the film reel from The Swan | |
| Kate blows up her house | |
| Henry Gale is captured and subsequently tortured | |
| Michael shoots Ana Lucia and Libby | |
| Jack performs surgery on Ben | |
| Jack's tattoo mystery is solved | |
| Ben takes Locke to see 'Jacob's cabin' for the first time | |
| Charlie reveals to Desmond that it's not Penny's boat | |
| | Event | Episode Title |
| Daniel Faraday arrives to the island. | |
| Desmond calls Penny on Christmas Eve | |
| Keamy shoots Alex right in front of Ben | |
| The Ajira flight crashes | |
| Ben strangles Locke to death | |
| The final island flash sends the remaining Islanders to the 1970s | |
| Jacob touches Kate, Sawyer, Sayid, Ilana, Locke, Jin, Sun, Jack, and Hurley, but not Juliet. | |
| Oceanic 815 lands. | |
| The Monster massacres the Temple dwellers. | |
| Richard accepts Jacob's job offer | |
| Widmore's submarine sinks. | |
|