Call Waiting - S1.E16

Zandie receives credits to talk to relatives or friends back on Earth. She receives a million credits, and when she has no one to talk to, she gives some of her credits to Mara so she can talk to her sick gran, who might die. Meanwhile, Sheng uses his credits to talk to the "supposed" Amber Leigh, who is just Pancha with an English accent. Pancha reveals this to Sheng shortly after, and they both reveal their feelings toward eachother. Also, Cyriax has a feeling something is wrong with the engine of the ship, and orders everyone around angrily. The episode ends with Cyriax ordering everyone to turn the ship around immediately, and head back to Earth!