HL2 Dev Commentary Part 1 - Point Insertion

As part of its 20th Anniversary celebration, Half Life 2 got Developer Commentary from the original developers. Here are all the audio clips from the first chapter, Point Insertion.
0:00 - Gabe Newell - Welcome
1:03 - David Sawyer - Physics Objects
1:43 - Charlie Brown - Train Station
2:19 - Josh Weier - Metro-cop Shoving Citizens
3:00 - Laura Dubuk - Sweeping Vortigaunts
3:41 - Bill Van Buren - Citizens
4:24 - Bill Van Buren - Natural Storytelling
5:27 - Ken Birdwell - Early Tech Planning
6:31 - Bill Van Buren - Storytelling
7:07 - Marc Laidlaw - Characters
8:11 - Adrian Finol - Blocking Tutorials 1/3
8:52 - Robin Walker - Blocking Tutorials 2/3
9:50 - Eric Smith - Blocking Tutorials 3/3
10:57 - Kerry Davis - Fall Damage
11:41 - Charlie Brown - Pick Up That Can
12:37 - John Morello - Playtesting
13:13 - Danika Rogers - Promises
13:54 - Eric Kirchmer - The Citadel
14:48 - David Sawyer - Exploration
15:09 - Mike Dussault - Ropes
16:09 - Matt Boone - Playtesting Anecdote 1
17:22 - Doug Wood - Strider
17:54 - David Speyrer - Early Game Exploration
18:52 - Yahn Bernier - Closed Captions
19:56 - Jay Stelly - Physics Simulation 1/2
20:55 - Scott Dalton - Crate Baby
21:41 - Jeff Lane - Physics Simulation 2/2
22:41 - Brian Jacobsen - Playground
23:37 - Gary McTaggart - Materials and Shaders
24:38 - Chris Green - Cubemaps
25:19 - Kerry Davis - Field of View
26:13 - Randy Lundeen - Reference Maps
27:29 - Jay Stelly - Missing Material
28:06 - David Sawyer - The Raid 1/2
28:41 - Miles Estes - The Raid 2/2
29:40 - Dave Riller - Health and no HUD
30:34 - Jacob Jungels - Playtesting Anecdote 2
31:54 - Dhabih Eng - Alyx
32:34 - Jay Stelly - NPCs on Elevators
33:44 - Erik Johnson - Interactive Storytelling