Join Alan Cumming to celebrate the iconic series that introduced generations of viewers to the delights of British drama. From Upstairs Downstairs to I, Claudius to The Jewel in the Crown and Downton Abbey, Masterpiece has stood the test of time. Watch at 8:30pm | Vegas PBS

After testing some of the first gladiator remains found, forensics anthropologist Fabian Kanz discovers that some bones contained unusually high levels of strontium. Gladiators may have been consuming strontium-rich drinks to become stronger warriors as they faced each other in the Colosseum. "The Rise & Fall of the Colosseum" premieres this Wednesday on Secrets of the Dead. | PBS