Cyd and Shelby have traveled all over time, whenever they wanted, but now they must face the consequences! The one-hour event premieres Sunday, .\rbr\rbrSason 1 episode 8 - special episode - brand new this september on disney channel.\rbr\rbrBest Friends Whenever - Back to the Future Lab.. - Cyd and Shelby discover a major clue to the future lab memory and it is somehow tied to Barrys Science .\rbr\rbrCyd and Shelby have traveled all over time, whenever they wanted, but now they must face the consequences! The one-hour event premieres Sunday, .