A long-running mystery regarding a specific Russian nesting doll is finally explained.

Original Air Date: April 20, 2020. IMDb Key Plot Points:

To narrow this down, could you let me know the or cast members of the show you are looking for?

Original Air Date: November 9, 2012. Den of Geek Key Plot Points:

A communication tool for couples to address "the elephant in the room."

Walter follows a lead from one of his tapes to a "pocket universe" he created years ago.