Season 4 Prequel

The 24 Season 4 Prequel was shown on the 6 disc of the Third Season DVD set. The prequel bridges Day 3 and Day 4. Recently on the Fourth Season DVD set, there's a director cut promo of the prequel.

Summmary (spoiler warning)
At the end of the Third Season finale, (12:00pm - 1:00pm) Jack Bauer breaks down and cries in his car after the third longest day of his life, then he drives off. Timer: 12:59:57 - 1:00:00

THREE MONTHS LATER