Discovery Showcase HD Tonight

Smash Lab (S1E16)
Dirty Jobs (S2E40)
Amish Mafia (S2E5)
Extreme Engineering (S3E2)
I Almost Got Away With It (S2E24)
Cake Boss (S4E5)
Cake Boss (S4E6)
Smash Lab (S1E16)
Rattlesnake Republic (S2E5)

On Discovery Showcase HD tonight you can watch Smash Lab, Dirty Jobs, Amish Mafia, Extreme Engineering, I Almost Got Away With It, Cake Boss, Rattlesnake Republic
Discovery Showcase HD today
Discovery Showcase HD tonight