Star Trek: Enterprise

Archer and T'Pol encounter the Syrrannites, a radical group hiding in the Vulcan desert, while the NX-01 crew contends with Vulcan power ploys. (S4, ep 8)

Archer, T'Pol and T'Pau attempt to bring the Kir'Shara - an artefact believed to contain Surak's original writings - to the Vulcan capital. (S4, ep 9)

Emory Erickson, Captain Archer's mentor and the man responsible for the transporter, boards Enterprise for a risky experiment. (S4, ep 10)

Trip and Hoshi are taken ill by a mysterious but deadly illness that looks like it will kill them within hours... (S4, ep 11)

Enterprise is travelling to Babel for peace talks with the Andorians when a distress call from Shran is received. (S4, ep 12)

A marauder ship threatens to destabilise the region. Archer has a plan to capture it, but it'll mean unifying the Andorians, Tellarites and Vulcans. (S4, ep 13)

Archer visits Shran's icy homeland to find a species called the Aenar. Are they connected to the marauding destroyer ships in the region? (S4, ep 14)

Dr Phlox is kidnapped and forced to help the Klingons deal with a grave threat against their species. James Avery (The Fresh Prince Of Bel Air) guest stars. (S4, ep 15)

With Columbia's help, the Enterprise crew grapples with sabotage as they pursue the truth behind Phlox's kidnapping. James Avery guest stars. (S4, ep 16)