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In this segment:

Michael E. Smith,
Noah Livingston,
Molly Carr

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Meet the new vicar on season 4 of "Grantchester"

Grantchester season 4

Tom Brittney is joining the cast as Reverend Will Davenport — man of the people and crime-solving partner to Robson Green’s Geordie Keating in 1950s Grantchester.

'Great Performances at the Met' returns to Sundays at 9 a.m.

"Great Performances at the Met" brings the best of the Metropolitan Opera into the homes of classical music fans across the United States.

'Nova' delivers stories from the front lines of science

"Nova" celebrates the Summer of Space by exploring new discoveries and how we have come this far on Wednesdays at 8 p.m. on Arizona PBS.