Movie-themed episode features first perfect scores of the season as ABC's reality staple slims down to one show a week
Dancer will return as fourth panelist
Can we, as a society, afford to allow Kim Kardashian's little brother to beat J. R. Martinez?
The war veteran-turned-actor and his partner Karina Smirnoff wowed the judges with their waltz and jive dance numbers
The Army vet-turned actor earned the night's highest scores and solidified his position as a frontrunner to win season 13