Season 1
1. The "count to five story" in the Pilot.
2. The mother of all hugs in The Moth.
3. Verbal copulation.
4. "You checking me out?"
5. The guava seeds scene.

Season 2
1. Their first kiss.
2. The net scene.
3. "I'm sorry I kissed you." "I'm not"
4. Jack walking in on Kate in the shower.
5. Looking at each other when taken captive by the Others.

Season 3
1. The breakroom scene from The Man From Tallahassee.
2. Kate retelling the "count to five" story.
3. "Because I love you."
4. "Damn it, Kate, run!"
5. The glass wall scene.

Season 4
1. The hallway scene from Something Nice Back Home.
2. The proposal.
3.The shower kiss.
4. Jack at Kate's trial.
5. "What I said back there, I didn't mean it"

Season 5
1. "I have always been with you"
2. Jack looking at Kate before he drops the bomb.
3. "It was not all misery." "Enough of it was."
4. Kate wiping blood from Jack's face in The Incident.
5. Jack's conversation with Sawyer in the Incident.

Season 6
1. "I missed you so much!"
2. Last kiss and love confession
3. Kate bumping into Jack on the plane in the flash-sideways.
4. "I couldn't find you!"
5. "Be careful"