A new sneak peek from Call the Midwife gives more insight on Cynthia's life as a nun as well as Nurse Barbara who slowly makes her way into the world of helping others.

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On Sunday, Carter Matt posted the scene where Cynthia just got her bike fixed up and she shows Fred how grateful she is. As she goes for a ride, Barbara decides to work on her education skills while as she's about to embark upon an enticing visit.

Barbara, herself, learns about culture as she prepares to go see an isolated woman who she assumes is from India- but she's actually from Sylhet. The new nurse realizes how awkward that might've been if she went to go spend some time with a woman and she didn't get her culture correctly.

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The scene can be watched here.

Even though Cynthia's part in the scene was pretty brief, it appears that her relevance will definitely be worth watching. In a previous interview with What's On TV, actress Byrony Hannah (Cynthia) dished on her character's return and her decision to become a nun.

"When she comes back, you see she's very happy with her decision and really at one with herself for the first time," the actress said. "Cynthia is on a voyage of self-discovery. She's grown in confidence and grown into herself as a woman."

Call the Midwife Season 4 is expected to air in the United States this March on PBS.

Tags: Call The Midwife television PBS