American Ninja Warrior - Season 4 Episode 20
Stage 1 of the most-difficult obstacle course continues.
- शैली: Reality
- स्टूडियो: Esquire Network, USA Network, NBCSN, NBC, G4
- कीवर्ड: competition, las vegas, endurance, sport competition, obstacle course, strength
- कास्ट: Matt Iseman, Akbar Gbaja-Biamila, Zuri Hall