The movie mogul Louis B. Mayer emigrated as a child with his parents from Russia. He began his road to success when he purchased a house, refurbished it as a nickelodeon, and opened one of the earliest custom-designed cinemas. He established theaters throughout New England, which led him to Metro Films and the formation of Metro-Goldwyn-Mayer in 1924. He helped create the Hollywood star system and hatched the idea for the Academy of Motion Picture Arts and Sciences, and his successes included The Big Parade, Ben-Hur, Grand Hotel, Dinner at Eight, the Andy Hardy series, and countless others.

Join Nate as he gets a behind-the-scenes look at the Indianapolis Museum of Art’s Conservation Science Laboratory to explore the process of figuring out if a painting is the real deal or a clever forgery. Then Nate talks with a color scientist to learn how colors are created.

Mars appears to be the only planet likely to host human civilization in the future. Its relatively benign environment makes it a favorite target for exploration by increasingly complex probes and manned missions.

EARTH FRIENDLY PRODUCTS, ENERGY EFFICIENT STOVES, AND A SUSTAINABLE GARDEN

INVESTIGATING AND TESTING A HAND-POWERED TANK

Includes a look back at Peter Graves' starring role in Mission: Impossible and his hilarious performance in Airplane!.

He was known as "The Bambino," "The Sultan of Swat," and "The Babe" to millions of baseball fans who loved to see him hit home runs and live the good life.

Join us for a special salute to heroes of the Hispanic community. Hosted by ABC News' John Quiñones, the one hour special honors actor and activist Edward James Olmos, educator Jaime Escalante, labor leader Dolores Huerta, and the late Puerto Rican baseball star Roberto Clemente.

We'll go to the mat for a history of one of America's favorite secret passions.

The movie mogul Louis B. Mayer emigrated as a child with his parents from Russia. He began his road to success when he purchased a house, refurbished it as a nickelodeon, and opened one of the earliest custom-designed cinemas. He established theaters throughout New England, which led him to Metro Films and the formation of Metro-Goldwyn-Mayer in 1924. He helped create the Hollywood star system and hatched the idea for the Academy of Motion Picture Arts and Sciences, and his successes included The Big Parade, Ben-Hur, Grand Hotel, Dinner at Eight, the Andy Hardy series, and countless others.

The story of Howdy Doody, the famed children's TV program of the 1940's and 50's. Traces the radio career of the show's host, Buffalo Bob Smith, and tells the tale of the invention of Howdy, the freckle-faced puppet. Clips recall the show's colorful characters, including Clarabell the clown.

A look at the incredible life of the singer, TV star, producer, and hotel tycoon who overcame business setbacks and cancer to create such shows as Wheel of Fortune and build a financial empire.

Includes a look back at Peter Graves' starring role in Mission: Impossible and his hilarious performance in Airplane!.

He was known as "The Bambino," "The Sultan of Swat," and "The Babe" to millions of baseball fans who loved to see him hit home runs and live the good life.

Join us for a special salute to heroes of the Hispanic community. Hosted by ABC News' John Quiñones, the one hour special honors actor and activist Edward James Olmos, educator Jaime Escalante, labor leader Dolores Huerta, and the late Puerto Rican baseball star Roberto Clemente.

We'll go to the mat for a history of one of America's favorite secret passions.

The movie mogul Louis B. Mayer emigrated as a child with his parents from Russia. He began his road to success when he purchased a house, refurbished it as a nickelodeon, and opened one of the earliest custom-designed cinemas. He established theaters throughout New England, which led him to Metro Films and the formation of Metro-Goldwyn-Mayer in 1924. He helped create the Hollywood star system and hatched the idea for the Academy of Motion Picture Arts and Sciences, and his successes included The Big Parade, Ben-Hur, Grand Hotel, Dinner at Eight, the Andy Hardy series, and countless others.

The story of Howdy Doody, the famed children's TV program of the 1940's and 50's. Traces the radio career of the show's host, Buffalo Bob Smith, and tells the tale of the invention of Howdy, the freckle-faced puppet. Clips recall the show's colorful characters, including Clarabell the clown.

A look at the incredible life of the singer, TV star, producer, and hotel tycoon who overcame business setbacks and cancer to create such shows as Wheel of Fortune and build a financial empire.

Includes a look back at Peter Graves' starring role in Mission: Impossible and his hilarious performance in Airplane!.

He was known as "The Bambino," "The Sultan of Swat," and "The Babe" to millions of baseball fans who loved to see him hit home runs and live the good life.

Join us for a special salute to heroes of the Hispanic community. Hosted by ABC News' John Quiñones, the one hour special honors actor and activist Edward James Olmos, educator Jaime Escalante, labor leader Dolores Huerta, and the late Puerto Rican baseball star Roberto Clemente.

We'll go to the mat for a history of one of America's favorite secret passions.