The Best Episodes Directed By Michael Nankin

Cullen's past catches up with him and threatens the fate of the railroad.

John tries to rein in his compulsions, but is tested when he's tipped off about an impending massacre. Samantha, meanwhile, turns to Det. Holden for answers.

Kara struggles with the foreboding prediction of the Cylon Hybrid, while Adama and the Colonial fleet face despair over their shocking discovery.

Omec hunts Defiance citizens; Nolan, Amanda, and the others undertake a potential suicide mission to end the threat once and for all.

Eleanor mediates a peace. Rackham learns a hard lesson. Flint goes back on a promise. Bonny goes out of control.

Chandler's mission comes to a head as he prepares the final part of his plan. President Michener ponders the fate of his presidency.

Lightman tries to help a woman with early-onset Alzheimer's piece together her fragmented memories, but it uncovers a deadly secret.

When shredded remains of a man are discovered, evidence leads to multiple possible suspects.

Fargo accidentally triggers a prototype for a personal force field, which goes out of control, forcing Carter to enlist Stark's help.

A series of ritualistic murders starts to look a lot like werewolves so Harry, of course, gets dragged in. Thing is, it looks like the lycanthropes aren't the killers... they're the victims.

While Bryce begins his search for the woman in his flashforward, Aaron becomes concerned over Tracy's odd behavior. Mark attempts to track down the person responsible for texting Olivia and outing his drinking during his flashforward vision, and Demetri's co-agents try to find the mysterious caller who forewarned him about his unfortunate fate.

Sharon informs Adama that the Galatica has been infected with a computer virus that is tampering with the basic ship functions and is scanning them for weaknesses. All this is preparation for a major assault by the Cylon Raiders. So with the clock ticking, Commander Adama must pull himself together and decide: Can he trust Sharon?

Nolan, Amanda and Irisa search for a way to stop Kindzi from transporting more Omec to Earth; Datak tries to escape from an Omec compound; Stahma asks for forgiveness.

Cromartie kidnaps Sarah and races to Mexico to find John. When Derek, Cameron and Ellison discover what has happened, they come to their defense, which leads to one final deadly confrontation with Cromartie.

The Graystones find Zoe with a vengeful Clarice closing in, while the Ha'La'Tha turns on the Adama brothers.

When the CSI team investigates the brutal murder of a family, they trace the killer to the house next door, which might belong to the "Dr. Jekyll" serial killer.

Laura convinces Nico that they need to find the fourth man from the tattoo photo; while doing so, they learn more about the case 10 years ago against Danny. Also, Laura gives Tom a chance to explain his actions and must decide whether she – and Serena – can trust him.

Betrayed by Tom, Laura learns that Serena is at the TV station and fears her daughter will suffer the same original fate. Meanwhile, Nico tries to get his hands on evidence that could help save his brother.

The team investigates when a woman is attacked by a shark in the pool at a Las Vegas casino.

Nolan and Irisa are mysteriously rescued from their underground confinement just in time to discover that enemy forces are marching on the town of Defiance, which has fallen on hard times following the collapse of the gulanite mines. Meanwhile, Datak, Stahma and Rafe run into deadly complications on their quest to reunite their family; and Alak comes to realize just how unstable her mother-in-law is during their journey through the woods.

T'evgin comes to Defiance seeking his daughter, who Nolan and Amanda offer to release in exchange for some gulanite; at the same time, Alak and Pilar head off alone to protect the baby; and Datak and Stahma are threatened into helping Gen. Tak's assault.

Lila grapples with rejection. Miguel and Penelope seek the safety of the Cantina.

In the third-season premiere, Abe covers up a murder with an unlikely accomplice. Elsewhere, Benedict Arnold abuses his power as he settles into a new home in Philadelphia.

After facing off with a dangerous man, Chee strikes out on his own. Meanwhile, Leaphorn and Manuelito partner with the sheriff's department, leading Leaphorn to identify a vital clue.

Leaphorn risks his life in pursuit of a suspect, while Manuelito stands up to the sheriff in a bid to rescue her boss. Seeking answers on a case, Chee considers a dangerous proposition.