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Dr Isaac Kleiner

6:04

[HD][Half-Life2] Dr. Isaac Kleiner Speech (Subtitles)

Justin1082

403K views

29:12

Half-Life's Extraordinary Genius | Dr. Isaac Kleiner | FULL Half-Life Lore

Skyrionn

130K views

0:41

Dr. Kleiner reacts to a "Dr. Kleiner" impersonator HALF-LIFE 2

The VŌC Podcast

76K views

0:22

Is Dr. Kleiner really telling everyone to...GET BUSY?!

Inc0m1ng

79K views

0:43

The World's Smallest Coffee Cup

Delak

3.4M views

5:06

Half-Life 2: Episode One - Dr. Isaac Kleiner Speech Remade in S2FM

TheParryGod

491K views

3:20

In The Virtual End but Dr. Kleiner and Eli Vance actually sing it (Full Version)

Composite

390K views

0:23

[SFM Half-Life] - GMan roasts Dr. Kleiner (GTA V Franklin & Lamar Roast)

Stuffed

80K views

1:01

The Old Days (SFM Saxxy 2016 Short)

Sheath Entertainment™

434K views

0:31

Dr. Kleiner Impression Half-life 1 Style

Skeezix

11K views

6:07

'Evacuate City 17 at once!' Dr. Isaac Kleiner speech in Half-Life 2 Episode One

Steady Eddie

39K views

0:12

Dr. Kleiner, what happens when you press a PC's power button?

Nalon

245K views

0:28

Half Life 2 Episode One - Dr Kleiner Says to Get Busy

mcdohltir

24K views

0:06

Markiplier Punches Dr. Isaac Kleiner

1nk

353 views

5:55

Half-Life: The Lore Behind Isaac Kleiner

Skyrionn

36K views

4:37

Dr. Isaac Kleiner - My Way [AI Cover]

Punchout Artist

1.7K views

0:45

Isaac Kleiner from Half-Life tells gordon freeman that Black Mesa is on Google Maps!

Best Boy

1K views

2:23

Black Mesa vs. Half-Life - Kleiner and Eli - All Quotes Comparison

noclick

47K views

4:34

DoctorK - Baby got back

CornetTheory

265K views