Mark Acheson

The team investigate an amnesia epidemic connected to short wave radios; the chemistry between Peter and alt-Olivia crackles.

When Lex is accused of killing a young woman, Clark tries to establish his innocence by seeking Lionel's help.

After reading from a spell book from the 1600s, Lana, Lois and Chloe are possessed by vengeful witches who were burnt at the stake; Clark is unable to stop witches from wreaking havoc on the town.

Mulder suspects that a beast similar to the Loch Ness monster is responsible for the deaths of several people who reside near a large lake.

Sam and Dean tackle a case where people vanish into thin air, leaving only their clothes behind; Dean becomes a victim.

The season two premiere begins three months after Tom Mason agreed to go with the alien invaders. When Tom suddenly returns, he is faced with doubt about his loyalties to the group.