Day 5: 7:00 P.M.-8:00 P.M.

Summary

Jack and Lynn must take action when they discover that the nerve gas is breaking through the protective seals that are keeping the CTU survivors alive. Chloe wrestles with her grief over Edgar's death, while Tony contemplates revenge against Henderson. Martha bolster's Logan's spirit as he wavers under more political pressure from Gardner.

Guest stars

• Elisha Cuthbert as Kim Bauer
• Carlos Bernard as Tony Almeida
• Jayne Atkinson as Karen Hayes
• Jean Smart as Martha Logan
• Louis Lombardi as Edgar Stiles
• Roger Cross as Curtis Manning
• Jude Ciccolella as Mike Novick
• Julian Sands as Vladimir Bierko
• Gregory Itzin as Charles Logan
• Peter Weller as Christopher Henderson