S6·E23 Sanctuary; Death and All His Friends

Episode recap

Task: Write a 280-380 word episode recap for Grey's Anatomy S6E23 (Sanctuary; Death and All His Friends).
Constraint 1: Use ONLY verifiable facts from the provided SYNOPSIS and SOURCES.
Constraint 2: No invented titles, names, dates, counts, awards, ratings, box-office, viewership, or plot points.
Constraint 3: If a detail is not in the material, omit it.
Constraint 4: Original, neutral, encyclopedic prose in plain text.
Constraint 5: No markdown, no asterisks, no headings, no bullet points.
Constraint 6: Word count target: 280-380 words.
Synopsis: Seattle Grace Hospital is hit with a crisis like no other in its history. Cristina and Meredith's surgical skills are put to the ultimate test.
Sources:
[1] Series follows personal/professional lives of doctors at Seattle's Grey Sloan Memorial Hospital.
[2] American medical drama, debuted on ABC as mid-season replacement for Boston Legal on March 27, 2005.
[3] Created by Shonda Rhimes. Stars Ellen Pompeo, Chandra Wilson, James Pickens Jr., Kevin McKidd. Centered on five surgical interns and supervisors.
[4] Follows personal/professional lives of doctors at Seattle's Grey Sloan Memorial Hospital.
[5] Prime-time American television medical drama, debuted on ABC in 2005.
Episode Title: Sanctuary; Death and All His Friends.
Episode Number: Season 6, Episode 23.
Plot: Seattle Grace Hospital faces a crisis unprecedented in its history. This event tests the surgical skills of Cristina and Meredith.
The provided synopsis is extremely brief.
The sources provide general series information (creator, cast, debut date, premise).
The prompt asks for a 280-380 word recap.
Problem: There is almost no plot information in the provided text to reach 280 words without violating the "never invent or guess" rule.
Constraint Check: "If the synopsis is sparse, stay concise rather than guessing."
Conflict: The user wants 280-380 words, but the provided text only contains about 30 words of actual plot content.
Strategy: I must provide the information available. If I cannot reach 280 words without inventing facts, I must prioritize the "never invent or guess" and "omit rather than guess" rules. However, I can expand on the context provided by the sources (series background) to provide a professional, encyclopedic entry, but I cannot invent plot details for the