Season 8, Episode 18 The Lion Sleeps Tonight

First Aired: April 5, 2012

A lion breaks loose, leaving a couple at risk (in more ways than one); Lexie overhears Mark talking about moving in with Julia; Teddy begins to come to terms with Henry's death; Callie grills Arizona on past lovers; Alex wants off Morgan's preemie case because she's becoming too dependent on him; and Meredith tries to support Cristina, whose tensions with Owen are beginning to boil over.

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