Rock and Roll or Rossini...or both!

Lots of music on the tube this weekend...rocker Chris Robinson and his Black Crowes come back to life on Live From The Artists Den, Saturday at 9, followed by Elvis Costello on Austin City Limits...also appearing on ACL is Austin and Amarillo favorites Band of Heathens...10pm

On Sunday you can recover from whatever you were doing during ACL with Rossini's vocally dazzling comedy "Le Comte Ory" on Great Performances at the Met at 2pm.
High culture smooths out the weekend with classic opera, fabulous costuming and sets, and "the most beautiful love music Rossini ever wrote."

Turn around quick...they always hunt in pairs...

Top predators with intelligence, who learn as they hunt, and who use their brain to track down prey, no matter what...they look like dragons...sharp teeth, tearing claws and a whip-like tail. They are the largest lizards still walking the planet, the monitor lizards -- the Lizard Kings...NOVA 7pm

And to continue the dino theme, a unique field expedition, covered exclusively by NOVA, will set out for Alaska's North Slope to defrost a jackpot of new fossil clues about dinosaurs. With the help of stunning CGI, NOVA will breathe life into the polar dinosaurs' lives and environment in vivid detail. With Alaska's spectacular wilderness as a backdrop, this program will reveal a prehistoric lost world for the first time on television...8pm

The times...they really are "a-changin'"...

The bulk of the marijuana consumed in the United States used to come across the border from Mexico, Canada and elsewhere. Now, more than half of it is believed to be home grown in California, where an enormous black market has emerged under the cover of the state’s medical marijuana law. FRONTLINE and The Center for Investigative Reporting team up to investigate the country’s oldest, largest and most wide-open marijuana market...Tonight at 9pm.

Watch the full episode. See more FRONTLINE.

We're all about second chances...

ANTIQUES ROADSHOW...you know what they do, and they do it twice...
ABRAHAM AND MARY LINCOLN...you know what they did, and if not, this ongoing American Experience series will bring you up to speed in excruciating detail...

But if you somehow missed last night's Masterpiece Mystery!, you get a second chance late tonight...perfect for setting the DVR and enjoying at your leisure. It's the second installment of the new series "ZEN". In the shark tank of Roman politics, he’s known as an honest detective...much to the detriment of his career. Aurelio Zen always tries to do the right thing while making it appear that he’s following the conflicting orders of his bosses. And to complicate things even more, he's newly divorced and living with his mother...while becoming involved with his bosses aide.
And then there's Rome, up close and gorgeous...don't miss it...tonight at 1am

The bookmobile that eats hay...

POV's "Biblioburro" is the story of a librarian -- and a library -- like no other. A decade ago, Colombian teacher Luis Soriano was inspired to spend his weekends bringing a modest collection of precious books, via two hard-working donkeys, to the children of a poor and violence-ridden province. As Soriano braves armed bands, drug traffickers, snakes and heat, his library on hooves carries an inspirational message about education and a better future for Colombia...Saturday at 11pm

Steve Earl pays tribute to his songwriting mentor Townes Van Zandt on Austin City Limits...Saturday at 10pm

The second installment of the new Masterpiece Mystery! series "Zen" continues on Sunday night...with the frazzled police detective in Rome dodging office politics, criminals, and a personal life that is quite, uh shall we say, complicated...8pm

Watch the full episode. See more Masterpiece.

Careful what you say around Evan...it might end up on the air.

Formerly Texas Monthly Talks, Evan Smith's new gig covers some of the same ground...smart conversations with the country's most interesting people...you’ll meet politicians, authors, artists, actors, journalists, businesspeople, & anyone who’s at the center of things. Tonight it's Robert F. Kennedy, Jr. discussing his skill as a lawyer to work as a high-powered and high-profile environmentalist.
Overheard with Evan Smith...8pm

This is what happens when you look for the "City of Gold"...

What was the fate of famed adventurer Col. Percy Fawcett, who went looking for a city of gold -- the Lost City of "Z" -- in the Amazon in 1925 and disappeared in the jungles of Brazil forever? NOVA goes trekking along the paths that Fawcett followed...the search for clues ends at a Xinguano-Kuikuro village in the heart of the Mato Grosso: where a new archaeological discovery may reveal the true location of the Lost City of Z...NOVA 7pm