Episode was named after the disputed last words of Captain Smith of the Titanic.
Numbers: In prison Munson's inmate number is 248, Sawyer's is 840. Both 4 and 8 are part of the repeated sequence of numbers.
The numbers: the bunny that Ben brings in to demonstrate the pacemaker for Sawyer has the number 8 painted on it.
Kate tells Sawyer 'Live together, die alone.' This was the title of the 2nd season finale.
The tumor on the lumbar vertebrae is not on L-4, but on L-2. Also there are 6 vertebrae on the xray while the common lumbar has 5.