Doctor Who 1x3 Boom Season 1 Season 0 0 EpisodesSeason 1 8 Episodes 1x1 - Space Babies 1x2 - The Devil's Chord 1x3 - Boom 1x4 - 73 Yards 1x5 - Dot and Bubble 1x6 - Rogue 1x7 - The Legend of Ruby Sunday (1) 1x8 - Empire of Death (2) Caught in the middle of a devastating war on Kastarion 3, the Doctor is trapped when he steps on a landmine. Can he save himself and Ruby, plus the entire planet... without moving?