An ever present butterfly prompts the question on what could have happened different as Turk looks for his lucky do-rag for surgery, and Elliot tries to find a lost stuffed animal for a child needing a bone marrow transplant.
|Donald Sage MacKay||Guest Star|
|Zaid Farid||Guest Star|
|Lily Goff||Guest Star|
|Renee Ryan||Guest Star|
|Brandon Waters||Guest Star|
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