Air Date
September 13, 2021
Episodes
2 episodes
Submarine Life Under the Waves
Season 1
Episodes
1. Episode 1
September 13, 2021
45 min
The HMS Trenchant's crew prepares to leave port for the first time in six months.
2. Episode 2
September 20, 2021
45 min
Captain Stephen Brian takes command of HMS Trenchant with orders to stop a Russian ship.
