Arsenal hit Ludogorets for six as they made it seven consecutive wins in all competitions.
Alexis opened the scoring with a jaw-dropping chipped effort, before a piledriver from Theo Walcott sent the hosts in with a 2-0 lead at half-time.
Alex Oxlade-Chamberlain scored within the opening two minutes of the second half, before a hat-trick from Mesut Ozil saw the Gunners take their lead from 3-0 to 6-0.
Watch the key moments in the video above.
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