The episode introduces David Tennant and Michael Sheen as fictionalized versions of themselves. They were supposed to star in a West End production of Luigi Pirandello's Six Characters in Search of an Author , which was halted by the pandemic.

It captures the early-lockdown frustration of the "stagnant" creative professional, as director Simon Evans tries to convince his skeptical actors to rehearse via video conference.

This paper, published in the Journal of Interdisciplinary Science Topics , examines the coping mechanisms of the characters during the first series. It specifically looks at:

How these behaviors were used to avoid processing the reality of the lockdown. Context for Episode 1: "Cachu Hwch"

The health impact of "unhealthy habits" displayed by the supporting characters, such as Adrian Lester’s excessive running and Lucy Eaton’s comfort eating.

If you are writing your own paper or need a quick refresher on why this episode is significant:

While it feels entirely improvised due to the natural chemistry between the leads, it actually followed a written script, occasionally departing for improv.

"Cachu Hwch" is a Welsh phrase that translates to "cow's poo" or "mess/shambles," reflecting the chaotic nature of trying to start a professional project from home.