Below is a series of videos featuring Ravi Zacharias concerning the existence of God: * Ravi Zacharias - The Existence of God part_1 of 6 * Ravi Zacharias - The Existence of God part_2 of 6 * Ravi Zacharias - The Existence of God part_3 of 6 * Ravi Zacharias - The Existence of God part_4 of 6 * Ravi Zacharias - The Existence of God part_5 of 6 * Ravi Zacharias - The Existence of God part_6 of 6