1-1 -The Observer can be seen outside Massive Dynamic as Olivia pulls up.
1-2 -The Observer can be seen in the hospital as the team come in, just before they examine the dead/aged body.
1-3 -The Observer can be seen reflected in the window on the train as Olivia walks down the passageway.
1-4 -Walter and Peter Bishop were in an accident years ago over Thanksgiving and were saved by 'The Observer'.
-"Do you have jalapenos?" (waitress: "I think he does.") "Eleven of those please... on the side." -The Observer