1
Back to Aperture Science after 10+ years... - Portal Episode 1
10:42
2
10 years? That Long? - Portal Episode 2
12:28
3
Worth more than [Subject Hometown Here] ? Let's see what this can do... - Portal Episode 3
12:28
4
No more Lies! - Portal Episode 4
15:48
5
Dangerous Puzzling for Military Androids - Portal Episode 5
9:50
6
Interdimensional Cake Consumption - Portal Episode 6
11:50
7
Unscheduled Maintenance behind the curtain - Portal Episode 7
8:22
Lifting the Veil - Portal Episode 8
14:51
9
Still Alive - Portal Episode 9
10:48

Lifting the Veil - Portal Episode 8