In the episode "[S1E4] Digging Deeper" of The Deep , the Nekton family uncovers a scheme to hijack their submarine, the Aronnax, while on a mission in a deep-sea trench. The team must rely on teamwork to overcome the betrayal and secure their vessel. Watch the episode and find cast details on IMDb . "The Deep" Digging Deeper (TV Episode 2015) - IMDb