The Best Episodes Written By Rose Heiney

With the ship divided, both sides find themselves in an all-out fight to survive. Then, Ryan takes part in a shotgun wedding, and Rav reaches a personal breakthrough.

After a failed revolt, the passengers put the ship’s leadership to a vote, bringing forth a pack of unlikely candidates. Meanwhile, back on Earth, the Office of the Other President proposes a plan that could spell doom for Avenue 5.

The Red Riders drive their captives high into the snowy mountains. Caught in a storm, Tiuri and Lavinia take shelter inside an ominous monastery.

Zoë goes digging for answers as Sarah starts to spiral. Hamza is under pressure to keep a lid on the crisis.

A dangerous game of cat and mouse begins on the train to Scotland. Sarah and Zoë try piecing together Dinah's exact location.

Ally is appalled that she’s about to turn 50 and bans the family from ever mentioning that number. Paul tries to help Luke, who is overwhelmed by learning to drive and becoming a dad, while Ava meets a charismatic girl called Holly.