Future is Wild Season 1 Episode 8 Phantom Fear

Ethan must confront his claustrophobia and C.G. her arachnophobia when the Time Flyer becomes stuck under an ocean phantom and the crew has to deal with the ocean phantom's tentacles and hungry reef gliders. A cautious reef glider named Bobber is reluctant to chow down on the ocean phantom after hearing tales of their various weapons and defenses.