Synopsis
After an accident on Moya, D'Argo starts treating the crew as if they are figures from his past. Simultaneously, Moya takes control out of Pilot's hands and aggressively attempts to expunge all onboard! To work out exactly what triggered these events, Crichton, Aeryn, Zhaan and Rygel have to keep up the charade as D'Argo's past acquaintances, and in the process uncover the Luxan's troubled, phenomenal history. The crew is to discover also that somewhere inside Moya, an amazing change is taking place. [DVD]

Filler Quotient: 0, not filler, do not skip this episode.
- Essential exposition about D'Argo and Moya.

Problems
None

Factoids
- Pilot's arm mysteriously returned in this episode without explanation. We'll just have to assume that they grow back...
- This episode establishes that Luxans can survive an explosive decompression and vacuum for up to a half hour.
- Zhaan's body carries no bacteria.
- Sebaceans are ingrained from birth to keep the bloodlines pure.

Remarkable Scenes
- D'Argo being blown into space.
- A DRD attacking Aeryn and Crichton.
- Crichton in awe over how Peacekeeper science has managed to eliminate almost all disease. But Earth is still better, because the Peacekeepers don't have chocolate. ;)
- D'Argo mistaking Rygel for his son the way he mistook Zhaan for his wife.
- Crichton reaching D'Argo just for a brief moment.
- Crichton being attacked by a horde of DRDs.
- Crichton speculating that Moya is trying to kill them.
- Zhaan and Crichton manipulating D'Argo with his surfacing memories.
- Crichton discovering that Moya is pregnant.

My Review
Another great offering from Farscape, They've Got a Secret offers yet more essential character development, this time for D'Argo and Moya. But before we get to that, I am strongly irritated by Pilot's arm's mysterious reappearance; we're just going to have to assume Pilot can regrow arms. That said, it's annoying that it was never explained to us on screen. The audience shouldn't have to fill in these gaps themselves. Also, the pacing of this episode dragged at times due to the overall blandness of a plot about Moya being infected by a virus. But the ending of the story and its significant consequences make it well worth it.

Aeryn's special connection with Pilot resurfaces as a significant plot point, making at least that part of DNA Mad Scientist's plot have permanent consequences. But the real meat of the story is Moya's pregnancy and D'Argo's past. With regards to Moya's pregnancy, it's fascinating that the Peacekeepers install a contraceptive device to prevent leviathans from conceiving in the first place, in addition to the control collar. This also leaves me wondering who the father is. ;) Or do leviathans reproduce asexually?

As for D'Argo, we've learned more about his character in this episode than in all previous episodes combined! D'Argo married a Peacekeeper named Lo'Laan and conceived a taboo hybrid child, named Jothee. Lo'Laan's brother, Macton, eventually discovered this and killed Lo'Laan out of disapproval of her marriage, then framed D'Argo for the murder and had him arrested. Jothee was then sent into exile, hidden away by D'Argo. This means that not only was D'Argo falsely imprisoned, but his son is still out there; a fugitive!

Another nice detail was Aeryn, of all people, promising D'Argo to tell no one of the existence of Jothee. Aeryn's character has really grown over the last few episodes from a cold Peacekeeper into a loyal friend to this band of escaped prisoners. Overall, while this episode is somewhat more straightforward than the last one and lacks its darker, grittier aesthetic, They've Got a Secret comes off as a very strong piece as well.