ROX

Race (2x12)

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The only lead about stolen nuclear fuel rods, enough for a terrorist group to make a dirty bomb, is to Barry's rally club. Xavier poses as a cocky but weak pilot with Rox under-performing even worse, so as to win Barry's confidence, while Olivia is hired as his mechanic cahoots Benny and Willy's apprentice, actually just thanks to Rick cuing every move.