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"24: Live Another Day"
The Journey: From Fox (2001-10) when it was just "24" to Fox (2014)
Why It Was So Good the First Time: The spy stuff was cool, but the fact that every episode took place in one hellishly fast-paced hour? Priceless.
How It Fared the Second Time: Really well. This time the drama played out in London and there was a 12-hour time jump in the finale, but hey, after eight seasons you're allowed to tweak the formula. Ratings were solid enough for Fox to want to keep this revival kicking.
Verdict: Kiefer Sutherland has said he won't return as the lead in another season, but Fox doesn't seem to mind. Casting has already begun on "24: Legacy," with Miranda Otto on board as a former head of CTU and Corey Hawkins as a military hero who tries to stop another terror attack on American soil.