Once T-Bag arrives at the apartment he settles down and decides to shave his beard. Later we see T-Bag in the shower still with the beard and the scene then leads to T-Bag sitting on the couch in a bath robe with a shaven face.
When Michael Scofield was in Anaheim he needed a card to gain access to the main server room. He managed to swipe one from the clerk's desk but he never gave it to his brother who was waiting outside. It's never explained how Lincoln got in.
Sucre and Bellick get caught in the car, Sucre sends a text to Michael. However, when Michael receives the text message it appears that Michael wrote it himself rather than it being received from Sucre.
At the power plant, when Linc is knocked down by a car and he falls to the ground, the camera moves and you can see to the right Sara standing along with an extra, possibly apprehended but the next sequence has Sara running with Michael.