TV Guide Syfy Thursday

Lester hears reports that a man has been dragged into a huge hole in the ground, so the team heads out to investigate and soon comes face to face with a giant burrowing insect causing chaos across the city. Matt devises a plan to draw the creature out so it can be killed, but more than one member of the gang is put in danger as the battle commences. Back at ARC, Philip hires a new lab assistant for Connor, but is there more to her than meets the eye? Sci-fi adventure, starring Ben Miller, Ciaran McMenamin, Andrew-Lee Potts, Hannah Spearritt and Alexander Siddig

When a nuclear submarine encounters an anomaly in the sea, the team is called aboard to help, only to come under attack from aquatic reptiles and be transported back to prehistoric times. With external damage to the sub and no electricity, Connor, Matt and Abby face a struggle to repair the craft for the journey home while fending off the marauding creatures. Back at ARC, Lester has to cope with Navy bigwigs threatening drastic action if the crew cannot fix the problem. Sci-fi adventure, starring Andrew-Lee Potts, Hannah Spearritt, Ciaran McMenamin and Ben Miller

Picard uncovers a plot to steal the highly dangerous compound trilithium from the starship's engines. Sci-fi drama, starring Patrick Stewart and Brent Spiner

The ship stalls in a plasma cloud during a desperate attempt to escape pursuing Vidiian vessels, causing a chain of technical malfunctions. In the middle of the chaos, Captain Janeway makes a remarkable discovery and takes an important step - with the lives of the crew depending on her actions

The team accidentally sends a ferocious raptor back to Victorian London, where it claims several victims. Matt races to track the creature down, only to find Emily trying to do the same thing - and just as they get over the shock of seeing each other again, two dark strangers drag her away. Meanwhile, at ARC, Abby hatches a plan to infiltrate Connor's lab and find out what he has been up to. Sci-fi adventure, starring Ciaran McMenamin, Ruth Bradley, Hannah Spearritt and Andrew-Lee Potts

The team tackles killer beetles from the future, which swarm into Connor's lab through an anomaly and begin devouring everything in sight, starting with a luckless security guard. As the crisis escalates, Philip devises a way of saving the day - but unfortunately it entails destroying the whole of ARC. Drama, starring Andrew-Lee Potts, Alexander Siddig and Hannah Spearritt

O'Neill and the team encounter an entire world suffering from amnesia, the effects of which could cause mass devastation. Their leader returns to Earth with SG-1 in the hope of finding a cure for her people - but she appears to have an ulterior motive. Sci-fi drama, starring Richard Dean Anderson

The ship stalls in a plasma cloud during a desperate attempt to escape pursuing Vidiian vessels, causing a chain of technical malfunctions. In the middle of the chaos, Captain Janeway makes a remarkable discovery and takes an important step - with the lives of the crew depending on her actions

Sookie arranges for Lafayette to summon her dead parents. Meanwhile, Warlow revisits some painful memories with Lillith, Eric and Tara resort to drastic measures to rescue Pam, Sarah reconnects with Jason, Andy picks up the pieces of his ravaged family, and Jessica seeks atonement

The team accidentally sends a ferocious raptor back to Victorian London, where it claims several victims. Matt races to track the creature down, only to find Emily trying to do the same thing - and just as they get over the shock of seeing each other again, two dark strangers drag her away. Meanwhile, at ARC, Abby hatches a plan to infiltrate Connor's lab and find out what he has been up to. Sci-fi adventure, starring Ciaran McMenamin, Ruth Bradley, Hannah Spearritt and Andrew-Lee Potts

The team tackles killer beetles from the future, which swarm into Connor's lab through an anomaly and begin devouring everything in sight, starting with a luckless security guard. As the crisis escalates, Philip devises a way of saving the day - but unfortunately it entails destroying the whole of ARC. Drama, starring Andrew-Lee Potts, Alexander Siddig and Hannah Spearritt