In tonight's Late Movies, we take a look at a few educational, _flossy programs that deserve a spot in your TiVo Season Pass list.

1. NOVA scienceNOW (PBS)

Hosted by Neil deGrasse Tyson, an astrophysicist and head of the Hayden Planetarium in Manhattan, NOVA scienceNOW takes a news magazine approach to science. In this clip, Tyson talks about what it would be like to dig a hole through the center of the earth, then jump in.

2. Pawn Stars (History Channel)

It's a cool combination of Let's Make A Deal and Antiques Roadshow with just a splash of history. Set in Las Vegas, Pawn Stars follows three generations working together to run a pawn shop in the desert. From treasure chests to ancient weapons, they come across a bevy of interesting artifacts. In this clip, we see a gentleman who overpaid for a replica gun and regrets the decision.

3. Junkyard Wars (TLC)

Channeling their inner MacGyvers, Junkyard Wars is an import of a UK show called Scrapheap Challenge, which pits teams of experts in a field against each other in a competition to construct a working machine out of, well, junk. In this episode, two teams try and build a working airplane and fly it a half mile.

4. Cash Cab (Discovery)

This last one's a favorite of many of our writers and readers already. For the uninitiated, Cash Cab features host Ben Bailey driving a cab around NYC and asking trivia questions on the way to the passengers' destinations. While it may not be as completely random as the show suggests, it's still the _flossiest cab ride you can take in the big apple.

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