William S. Taylor

Special Agents Scully and Mulder race against the clock to capture an unstoppable assassin who murdered a high-ranking military official.

Lana reads a spell book belonging to her 17th century ancestor, the witch Isabelle, and becomes possessed by her spirit. Isabelle resurrects her other two witches and together they seek out the kryptonian crystals, using their magic to render Clark powerless.

Anna and Diana confront each other in the depths of the mothership after 15 years of silence, and Erica has Tyler's blood analysed - and learns the Vs did something sinister to her while she was pregnant with him.

Aliens exchange advanced technology for human cadavers, which they use as hosts for their dying spirits.

Kyle tries out for the school basketball team. Plus, a rare source allows Nicole a better understanding of Kyle's situation.

A serial killer and his cell mate escape from a mental institution to take revenge on a police detective.