Discovery Showcase HD Today

Dirty Jobs (S2E38)
Rattlesnake Republic (S2E4)
Cake Boss (S4E3)
Cake Boss (S4E4)
How the Universe Works (S4E5)
Alaska Mega Machines (S1E5)
Smash Lab (S1E15)
Dirty Jobs (S2E39)
Extreme Engineering (S6E1)
Extreme Engineering (S3E1)
I Almost Got Away With It (S2E21)
Cake Boss (S4E3)
Cake Boss (S4E4)
Smash Lab (S1E15)
Rattlesnake Republic (S2E4)
Dirty Jobs (S2E39)
I Almost Got Away With It (S2E21)
Extreme Engineering (S6E1)
Extreme Engineering (S3E1)
Smash Lab (S1E15)

On Discovery Showcase HD today you can watch Dirty Jobs, Rattlesnake Republic, Cake Boss, How the Universe Works, Alaska Mega Machines, Smash Lab, Extreme Engineering, I Almost Got Away With It
Discovery Showcase HD today
Discovery Showcase HD tonight