All ends with beginnings

a) Jesus Christ

b) Odysseus

c) Jayce Talis

- Mark and Gemma's story being a spin on the myth of Orpheus and Eurydice. A man who tries to rescue his deceased wife from being trapped in the Underworld.

- "Well boss, I guess this is the part where I should tell you to go to hell. Except you're already here."

- The musical notes that play during the elevator transition of Outie to Innie being a G and C#. A tritone, also known as the Devil's Interval.

- Mark mentioning Persephone in the latest episode, the Queen of the Underworld. Whose life is split in two, spending half her time down there, and the other half up above in the world of the living.

- "You know, my mother was an atheist. She used to say that there was good news and bad news about hell. The good news is, hell is just the product of a morbid human imagination. The bad news is, whatever humans can imagine, they can usually create."