The 100th episode, the final shot is a close up of a birthday cake for one of the senior citizens brought to the hospital for their safety and comfort during a heat wave, the cake has "Happy 100th" written on the cake in frosting.
As stated, the Tenth Man Rule, a person, or unit, plays devil's advocate to inspire deeper discussion of all eventualities and steer the group arrive towards a clearer, more considered answer. AMAN, the Israeli Defense forces' Directorate of Military Intelligence, has a Office of Revision, and the option of writing "different opinion" memos, whose job was to disagree and point out flaws in whatever decision the group has reached. The Office was created after the intelligence failures of the October 1973 Yom Kippur War (Ramadan War in the Arab World), a war which was started on the Jewish day of atonement. On the day of October 6, Egypt and Syria launched a full-scale assault, overwhelming Israel before U.S. support helped Israel turn the tide on the 25th of that same month. The takeaway lesson from this conflict, "The mistake lay in the evaluation of the intelligence data and not in the absence of accurate and reliable information."