Portal 2 Chapter 4, The Surprise, Walkthrough, No Commentary
This is part 4 of 9, still 5 more to go! this was really short for me. 0:00 - Surprise 0:33 - Testchamber 18 2:05 - Meeting with Wheatley 2:48 - Testchamber 19 5:19 - Testchamber 20 6:19 - Testchamber 21 6:34 - RUN 8:55 - Chapter 5
