401 — Who’s Your Daddy

The crew of EOS10 races against time — literally — to save the station from a time loop of destruction that never ends. Part 3 of 3.

On the trail of One Arm and the stolen Xenomorph, Ryan — and friends — embark on a clandestine, unsanctioned mission where no one has gone before: the Void. Part two of three.

Ryan Dalias returns to EOS10 after the battle with Dr. Ecobar to find that not only has a lot changed, but the station has a guest that likes to eat arms and might be from another quantum universe. Part one of three.

In the season four finale, Ryan finally begins to understand his place in the universe—but it comes at significant cost. Meanwhile, Jane takes on a new role on the station. Starring Dan Barry, Justin McLachlan, Charles Lipper, Lena Winter and Natalie Cutcher. Written by Justin McLachlan.

Jane recounts the epic tale of her hunt for a friend across the seven systems. There's good and evil, chaos and destruction, friendship and betrayal—even a dragon scene if Dr. Dalias will let her get it out. Starring Dan Barry, Justin McLachlan, Charles Lipper, Lena Winter and Natalie Cutcher. Written by Justin McLachlan.

As the crew prepares for a memorial service, the treachery of one of their own is exposed. Starring Dan Barry, Justin McLachlan, Charles Lipper, Lena Winter and Natalie Cutcher. Guest starring Annie Chang. Written by Justin McLachlan.

Ryan wakes up with a big surprise trapped in his head, and there's only one person on EOS10 he can turn to for help: Dr. Ecobar. Starring Dan Barry, Justin McLachlan, Charles Lipper, Lena Winter and Natalie Cutcher. Guest starring Nanci Burrows. Written by Justin McLachlan.

With the help of some old friends, Levi procures a mysterious gift for the Interface and life on the station might never be the same again—for anyone. Starring Dan Barry, Justin McLachlan, Charles Lipper, Lena Winter and Natalie Cutcher. This episode also starred Jesse-Buck Brennan and Nanci Burrows. Written by Justin McLachlan.

Dr. Ecobar opens a new clinic on EOS10 and threatens to steal away the infirmary's best patients—and doctors. Meanwhile, Ryan investigates the mysterious reappearance of a ship from his past. Starring Dan Barry, Justin McLachlan, Charles Lipper, Lena Winter and Natalie Cutcher. This episode also starred Nanci Burrows. Private Practice was written by Craig McLachlan.

In the season four premiere, Ryan confronts Dr. Urvidian over a recently and accidentally revealed secret. Meanwhile, Jane and Levi scheme to win a fancy dinner. Starring Dan Barry, Justin McLachlan, Charles Lipper, Lena Winter and Natalie Cutcher. This episode also starred Jesse-Buck Brennan. "Who's Your Daddy" was written by Justin McLachlan.