The episodes have been neglected on my channel because Episode Two had graphical issues on my old laptop, so here's a lot of stuff from the episodes.
00:00 Alyx phasing through car
00:15 Free floating energy balls have weird collisions
00:30 Big tree shadow with no tree
00:41 Ep1 reuse of geometry
01:23 Some things activate by looking at them, what if you DON'T look?
02:50 Effects of loading into a level then going to the level before
09:09 Pickups collide with the same type of invisible walls that players do
09:41 Background maps