S08E18Grey's Anatomy season 8 episode 18: The Lion Sleeps Tonight
Aired 5 April 201243 minRated TV-14
Where to watch Grey's Anatomy Season 8 in Australia
Grey's Anatomy season 8 is streaming in Australia on Disney+ (subscription, listed for the whole show).
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Availability checked 16 November 2026.
What happens in “The Lion Sleeps Tonight”
A lion breaks loose in Seattle, leaving a couple's lives and relationship at risk; Lexie overhears Mark's discussion about moving in with Julia; Teddy begins to take steps towards coming to terms with Henry's death; Callie grills Arizona on her past lovers; and Alex requests to be taken off Morgan's preemie case when she becomes too dependent on him. Meanwhile, Meredith tries to be a support for Cristina as the tension between her and Owen hits a boiling point.
Episode summary: TMDB.
Before you watch
- It is episode 17 of 23 of season 8, so watch episodes 1 to 17 first.
- It runs about 43 minutes.
- Directed by Mark Jackson, written by Stacy McKee.
- TMDB users rate it 7.4 out of 10 (12 votes).
Grey's Anatomy trailer
The official trailer for the series (no preview of this episode has been published).
Play video: Grey's Anatomy trailer
Cast and crew of this episode
- Director
- Mark Jackson
- Writer
- Stacy McKee
- Guest stars
- Danny Strong as PaulIlea Alfaro as NoelNicole Cummins-Rubio as Paramedic NicoleMichael Lespinasse as ParamedicKate Mines as Nurse GloriaAmanda Fuller as Morgan PetersonElizabeth Franz as Emma CarrollRance Howard as Martin Carroll
Credits: TMDB.
More from Grey's Anatomy Season 8
Every episode of Season 8Grey's Anatomy episode guide
Episode names, air dates, runtimes, stills and ratings: TMDB. Air dates are the first broadcast anywhere; where it streams is our daily Australian check.