Show #40 (season 4, edition 4)

Debut: FRIDAY, FEB. 26 (11:00-11:30 p.m. ET/PT)

Other HBO playdates: Feb. 26 (1:00 a.m.) and 27 (5:00 a.m.), and March 1 (5:00 p.m.), 2 (9:00 p.m.) and 3 (3:40 a.m.)

HBO2 playdate: Feb. 28 (6:00 p.m.) and March 2 (11:45 p.m.)

"Beating Blindness": Doctors and researchers are making incredible strides in the fight against blindness. New assistive technologies and advances in surgical techniques mean that many patients who've lost sight entirely can now regain visual perception, and the independence that comes with it, a process that can be as disorienting as it is freeing. Isobel Yeung reports from the front lines of this latest medical frontier.

"White Collar Weed": Small-scale weed farmers have been fighting to legalize marijuana for generations, but the closer they get to ending the prohibition on pot, the closer they get to a new threat: corporate takeover of their way of life. VICE's Hamilton Morris travels to California's infamous Emerald Triangle to meet struggling mom-and-pop growers, and visits the investors and entrepreneurs eager to cash in on the next big consumer market - even if it could put the small guys out of business