: Suspected of being compromised earlier in the episode, Will's Robot proves his loyalty by arriving at the dam just in time to save Judy and drown SAR’s forces by flooding the facility.

Lost in Space S03E07: The Calm Before the Storm on Alpha Centauri

: Just as the colony breathes a sigh of relief, the power grid flickers and the defense system goes dark, signaling that SAR's arrival is imminent. Viewer Reception

While the adults work on the tech, the younger generation faces immediate danger:

The episode opens with the Robinsons rushing to a hospital after his heart was damaged in a previous encounter with SAR. While Will stabilizes, Maureen and John discover that the planet’s defense system is offline and can only be activated by a specific voice: that of the late Ben Adler .

The Robinson family has finally reached their destination——but the long-awaited sanctuary is far from safe. In Episode 7, " Contingencies on Contingencies ," the stakes reach a fever pitch as the colonists realize that their new home is the next target for SAR and his army of alien robots. A Race Against Time