Mel grapples with how to honor Mark ahead of the anniversary of his death. Jack’s stress leads him to bad decisions. Hope apologizes with pie.

Jack’s war memories haunt him when he reunites with his Marine friends. Mel struggles to handle conflict with her sister-in-law.

DNA testing on Emily reveals that she is actually Scully’s daughter and Mulder comes to assist her and to find out where and how the girl was born while Scully…

Mulder undergoes an experimental form of hypnotherapy to recover his memories about his sister’s abduction, but the treatment has side effects including psychotic behavior, and Mulder wakes up one morning…

Mulder pursues Krycek (unaware of the alien that has taken over his body) to get back the DAT tape containing the MJ documents. Meanwhile, the shooting of A.D. Skinner uncovers…

A woman takes hostages on Cloud Nine and demands that Adama turn over Sharon in order to avenge her husband’s death at the hands of the Cylons.

A Cylon, who calls himself Leoben, is discovered on one of the ships in the fleet. Commander Adama sends Kara to interrogate him — or, rather, it. The Cylon tells…

A man from Lex’s past stalks him in conjunction with a mysterious death at Club Zero that Lex may have been responsible for. Meanwhile Chloe looks into Clark’s past as…

After Detective Lance arrests Oliver for murder, Oliver tells Moira the only lawyer he’ll allow to represent him is Laurel. Laurel takes the case which puts her at odds with…

Sam and Dean search for a Crocotta that uses the phone and computer as a means to communicate with people. Its goal is to get people to commit suicide and…