There are a total of 4 video tapes to watch. You actually play as the character in the video. For Video 2 and 3, there are achievements related to them. The first video vanishes, but the others you can put in your inventory box.

Tape 1: In the guest house, you'll go up stairs and see this next to the first save point.

Tape 2: Found on the second floor inside the room with the pool table and bar. Next to the TV that you can play it on.

Tape 3: After acquiring the Snake Key, go to the Kid's Room and up the ladder (after pressing the secret switch on the lamp). Open the cupboard in the attic to find the tape.

Tape 4: Once on the Wrecked Ship, you are forced to play this before proceeding.