24 Season 4 Episode 21 Promo (3:00AM – 4:00AM) 24 Spoilers 19 years ago 24 Season 4 Episode 21 Promo (3:00 AM – 4:00 AM). Audrey Raines tells Jack Bauer to leave after he caused the death of Paul Raines, Jack Bauer closes in on Habib Marwan.