Alright, I am interested to know everyone's favorite Discovery channel show...

Mine is Mythbusters.

I like Mythbusters, but it never seems to be on when I happen to be watching. My favorite show on Discovery Channel is Cash Cab, which seems to play on a loop or something. Cash Cab is addictive.

I've seen Mythbusters before, so I know what it's about. What about Cash Cab?

Sounds like a video game.

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"Even though I'm no more than a monster - don't I, too, have the right to live?" -- Oldboy (2003)

Is that the one where the driver asks his riders trivia questions en route to their destination and they win money for it?

That's correct.

But my all time favorite has to be Man Vs. Wild. Bear Grylls is just about insane.