World Trigger Episode 58: The Captured Osamu
Episode 58 of 73 of World Trigger, aired December 12, 2015, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Yuma, Chika and Xeno take the fight to the enemy in order to rescue Osamu. However, a cunning trap separates them, forcing Yuma into a one-on-one fight against Giev. A Trion soldier generates a mysterious virtual world where Yuma faces an unexpected foe.