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Grey's Anatomy· Season 5 · Episode 4

Brave New World

S05E04·8.1·October 16, 2008·1h·ABC

Meredith freaks out when Derek discovers her mother's old diary in the house, Callie frets as she prepares for her first official date with Erica, and Cristina stumbles into a part of the hospital that neither she nor her fellow residents have seen before.

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#21In Season 5of 24 rated episodes

#195All-timeof 466 rated episodes

−0.4vs season avgSeason 5 averages 8.5

2008First airedOctober 16, 2008

Guest stars

Steven W. Bailey

Steven W. Baileyas Joe

Kathleen Earlyas Dr. Daisy Pepman

Amy Aquino

Amy Aquinoas Marianne Grandy

Bre Blair

Bre Blairas Lauren Pailey

Max Burkholder

Max Burkholderas Duncan Pailey

John Sloan

John Sloanas David Pailey

Larry Brandenburg

Larry Brandenburgas Arnie Grandy

Mark Saul

Mark Saulas Dr. Steve Mostow

Molly Kidderas Dr. Megan Nowland

Gloria Garayua

Gloria Garayuaas Dr. Graciella Guzman

Joseph Williamson

Joseph Williamsonas Dr. Pierce Halley

Winston Story

Winston Storyas Dr. Leo Byrider

Amrapali Ambegaokar

Amrapali Ambegaokaras Dr. Dani Mandvi

Candice Afia

Candice Afiaas Intern Laura

Crew

Eric Stoltz

Eric StoltzDirector

Debora Cahn

Debora CahnWriter

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