OK...was watching my hometown team play tonight. They received the kickoff in the first half. They only had 7 offensive plays in the first quarter. The score? 56-0 in their favor. Wow. The extra play was the one 2nd down they had during that period. The opening kickoff was returned for a TD. Every 2 point conversion worked (I didn't count those as "offensive" plays). JV enters the game at that point and team goes on to win 84-6.