Mouth of the Water is the twelfth episode. It was released on April 18, 2017.
A mystery at the mouth of a river.
A Knock Knock Joke
[left speaker] Who’s there?
[right speaker] No one.
[left] No one who?
[right] No, no one is here. It’s been quiet out here for a long time. Once there were people, I think but they moved on. Why haven’t you moved on?
[left] If no one’s here then who is talking?
[right] No one is.
[left] No one’s talking?
[left] I love you.
[right] I know.