Discovery Showcase HD Today

Rattlesnake Republic (S2E1)
Rattlesnake Republic (S2E2)
Rattlesnake Republic (S2E3)
Smash Lab (S1E10)
Smash Lab (S1E11)
Smash Lab (S1E12)
Smash Lab (S1E13)
Smash Lab (S1E14)
Cake Boss (S3E16)
Cake Boss (S3E17)
Cake Boss (S3E18)
Cake Boss (S3E19)
Cake Boss (S3E20)
Cake Boss (S3E21)
Cake Boss (S3E23)
Cake Boss (S3E24)
Cake Boss (S3E2)
Cake Boss (S4E2)
Alaska Mega Machines (S1E1)
Alaska Mega Machines (S1E2)
Alaska Mega Machines (S1E3)
Alaska Mega Machines (S1E4)
Alaska Mega Machines (S1E5)
How the Universe Works (S4E5)
Futurescape with James Woods (S1E4)
Rattlesnake Republic (S3E8)
I Almost Got Away With It (S2E16)
I Almost Got Away With It (S2E17)
I Almost Got Away With It (S2E18)
I Almost Got Away With It (S2E19)
I Almost Got Away With It (S2E20)
Rattlesnake Republic (S1E6)
Rattlesnake Republic (S1E7)
Rattlesnake Republic (S2E1)
Rattlesnake Republic (S2E2)
Rattlesnake Republic (S2E3)

On Discovery Showcase HD today you can watch Rattlesnake Republic, Smash Lab, Cake Boss, Alaska Mega Machines, How the Universe Works, Futurescape with James Woods, I Almost Got Away With It
Discovery Showcase HD today
Discovery Showcase HD tonight