Terra Formars S02E12 - Strength of Weakest: The Soul of the Weakest

The battle for the broadcast tower rages on as the civilian crew of No. 1 division infiltrates the control room. But the Terraformars are there too. If they make any noise the trained killers of No. 4 Division will hear them, so they're forced to continue their work in total silence as the killer cockroaches get closer.