Arsenal are top of the Premier League, top of their Champions League group and are two wins away from equalling their club record of 14 consecutive victories - set 20 seasons ago.
No-one predicted that scenario four months ago when Thierry Henry - Gunners captain, talisman and record scorer - left north London to join Barcelona.
In fact, BBC Sport's Alan Hansen said: "Arsenal are the one team out of the so-called top four that could be vulnerable. And I am not so sure they have a chance of winning the Champions League."
What is behind their resurgence - and can they sustain it?
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