- scratches on Rousseau's arm. (Ep: 1x23, Exodus Part 1)
- months before the raft will be able to launch again according to Arzt. (Ep: 1x22, Born to Run)
- people who would fit on the raft. (Ep: 1x22, Born to Run)
- liter engine that the car that Sawyer reads to the baby about has. (Ep: 1x21, The Greater Good)
- people Jack asked Charlie if he'd asked their blood type. (Ep: 1x20, Do No Harm)
- years Locke was in his wheelchair. (Ep: 1x19, Deus Ex Machina)
- years since Sam Toomey killed himself. (Ep: 1x18, Numbers)
- years since Hurley's grandfather got his pacemaker. (Ep: 1x18, Numbers)
- Hurley ate from a chicken bucket that had the number 4 on it. (Ep: 1x18, Numbers)
- Lenny was playing the game Connect 4 when Hurley went to see him. (Ep: 1x18, Numbers)
- guns in the Marshal's case. (Ep: 1x15, Homecoming)
- times the boar visited Sawyer. (Ep: 1x16, Outlaws)
- times Hurley told Sayid that Charlie shot Ethan in the chest. (Ep: 1x15, Homecoming)
- kids the nurse who took care of Michael had. (Ep: 1x14, Special)
- aces on Boone's shirt. (Ep: 1x14, Special)
- miles due West back to camp from where Locke tied up Boone. (Ep: 1x13, Hearts and Minds)
- month's Michelangelo starred at the marble block before carving David, according to Locke. (Ep: 1x13, Hearts and Minds)
- days Shannon asked Boone where he and Locke had been going. (Ep: 1x12, Whatever the Case May Be)
- robbers in the bank (including Kate). (Ep: 1x12, Whatever the Case May Be)
- traps Locke set up around camp to get Ethan. (Ep: 1x11, All the Best Cowboys Have Daddy Issues)
- the time that Jack asks if it's around when searching for Charlie and Claire. (Ep: 1x11, All the Best Cowboys Have Daddy Issues)
- planes on the mobile in Claire's dream. (Ep: 1x10, Raised by Another)
- months the psychic tried to convince Claire to raise her baby alone before giving her money and telling her of the couple in L.A. (Ep: 1x10, Raised by Another)
- refills of Shannon's inhaler that Boone brought with him on the plane. (Ep: 1x8, Confidence Man)
- people Michael needed to help dig Jack out of the cave-in. (Ep: 1x7, The Moth)
- years ago that Sawyer said he made his birthday wish. (Ep: 1x5, White Rabbit)
- letters Shannon wanted to know was a word for "I don't care." (Ep: 1x4, Walkabout)
- days that passed before Jack decided to burn the fuselage and bodies for a signal. (Ep: 1x4, Walkabout)
- Charlie tapped the numbers 4 and 5 repeatedly with his fingers. (Ep: 1x2, Pilot Part 2)
- stripes on the pilots shoulder. (Ep: 1x1, Pilot Part 1)
ADDITIONAL SOURCES:
TV Dramas About.com
Teen TV/Movies About.com
4815162342.com
The Lost Numbers
Lost Hatch
Finding Lost: The Unofficial Guide
