WARNING: This episode contains spoilers for Episode 6 of All Creatures Great and Small Season 6.

In this season of All Creatures Great and Small, actor Callum Woodhouse’s Tristan Farnon arrives back in Darrowby on leave from the war. While his sense of humor and playful spirit are still intact, it’s clear something is eating away at Tristan. In this conversation, Callum talks about how Tristan has been changed by the war and the struggles he faces, but also how those experiences deepened his relationship with Siegfried and enabled him to bond with his new love interest, Charlotte.