Sam gets to the part where he and GLaDOS evade Wheatley's attacks and traverse to his lair!<br /><br />SPOILER NOTICE: This video may end up ruining the element of surprise for those who never played this game before. If you never played the game before, play it for yourself and come back to this video once you beat it.<br /><br />ANOTHER DISCLAIMER: I DO NOT own the credits music belonging to Jonathan Coulton! It may be copyrighted now, but it is used in the game of Portal 2 once you beat the final boss of said game.<br />...<br /><a href="https://www.youtube.com/watch?v=12QeJP-F2gs" target="_blank" rel="nofollow">https://www.youtube.com/watch?v=12QeJP-F2gs</a>