When Lincoln takes Scylla at the bank, a member of the crew can be heard shouting 'turn' before he turns to look at Christina Scoffield.
When Scofield, Burrows and Mahone exit the bank shooting at some agents, Lincoln Burrows fires his whole clip at them. As he hides behind the pillar and turns his head to the left, an Ohropax (an earplug for ear protection) can be clearly seen in his left ear.
In the scene with the map of India, the Aksai-Chin region is marked as being part of India, whereas international maps mark this region as disputed territory. It has been under Chinese control since the 1962 Sino-Indian border war.