'Lost' Season 4 Creepy Countdown - The Creepiest Moments From 'Lost' Season 4

After returning from the island, Kate gets a phone call with someone talking backwards. She goes into Aaron's room and Claire is there saying not to bring the baby back.

Episode 4x13, There's No Place Like Home Part 2

Just before the freighter blows, Christian appears to Michael and says, "You can go now, Michael."

Episode 4x13, There's No Place Like Home Part 2

Locke talks to Horace who says he's been dead for 12 years and says Locke has to find Horace because when he does Locke will find Jacob. Jacob has been waiting for Locke for a long, long time. Horace keeps cutting down the same tree over and over and his nose bleeds.

Episode 4x11, Cabin Fever

Hurley peeks inside Jacob's cabin and suddenly a face appears, looking at him through the window. He runs away.

Episode 4x1, The Beginning of the End

After getting off the island, Jack goes back to work at the hospital. Late one night, his father appears to him, wearing a suit and white tennis shoes. When another doctor comes in, Christian is gone.

Episode 4x10, Something Nice Back Home