Musterion: The 13th Disciple

When a old soldier saves the President's life in a terrorist attack in the year 2090, he is rewarded with a time-travel trip of his choosing. He decides to go see Jesus. He teaches Jesus to say, Bro, Okey Dokey, and Bubba. Jesus asks him to go forward in time to save Stephen's life, and ask Paul to stop talking about going to see Caesar. He wants to both to live years longer. Surprise ending.