TB testing mistakenly puts a prize cow in danger. Helen struggles with her lifelong vocation. Mrs. Hall and Tristan have brushes with love. Episode 4 premieres Sunday, January 29 at 9/8c.
Get the latest All Creatures Great and Small news and show updates delivered to your inbox when you subscribe to our free Insider email newsletter: https://www.pbs.org/wgbh/masterpiece/sign-up-for-all-creatures-great-and-small-insider-emails/
Explore the official MASTERPIECE website for great dramas, mysteries and more: https://www.pbs.org/wgbh/masterpiece/​
Follow MASTERPIECE on social media for behind-the-scenes extras and more!
MASTERPIECE on PBS on Facebook: https://www.facebook.com/masterpiecepbs/​
MASTERPIECE on PBS on Twitter: https://twitter.com/masterpiecepbs​
MASTERPIECE on PBS on Instagram: https://www.instagram.com/masterpiecepbs
