A car crash involving students going to their college graduation takes its toll on the residents in the ER, Derek's wedding gift is uniquely suited for Meredith - even if the oversight is not. Meanwhile, Denny's return has Derek and Bailey searching for the cause, and the results will change the outcome of the day. Written by
Did You Know?
Every episode of the show is named after a famous song. "What a Difference a Day Makes" is a song by Dinah Washington
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When the SUV of teenagers crashed, the paramedic says there were eight of them, but in the sequence that shows the deaths of all but one, there are only seven total, including the one who survives. See more
Another Likely Story
Performed by Au Revoir Simone
Courtesy of Our Secret Record Company/Moshi Moshi Records See more