#4 NXT takes over London, with a memorable debut and return
NXT TakeOver: London (December 16, 2015) was the developmental brand's second live broadcast outside of Full Sail University, and its first outside of the United States; airing live from the SSE Arena in London, the show was big on action but small on surprises, as none of its three championships changed hands in high-profile matches.
What made the show memorable, though, was the return of one of NXT's most beloved figures, in addition to some of the absolute best chanting WWE has ever seen at a live show (note to "smart" towns: great chants add to the match, like 10,000+ serenading Bayley, instead of detracting, like CM Punk or "Roman sucks" chants).
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Sami Zayn's electrifying NXT run came to an abrupt halt in May of 2015 when, surprising John Cena as his opponent in a US Open Challenge, Zayn was too emphatic in his pre-match dance ritual and wrestled the match with a severely injured shoulder; it required surgery, and led to an abrupt and jarring change to Zayn's NXT Championship rematch against Kevin Owens later that month.
Zayn made his NXT return at the SSE Arena, although his win over Tye Dillinger wasn't aired as part of the TakeOver card (the following edition of NXT's weekly WWE Network series featured the dark matches from London); Zayn, deservedly, received a hero's welcome, and started a wave of momentum which would carry him through a surprise Royal Rumble entry, a berth in the WWE Intercontinental Championship ladder match at WrestleMania 32 and, best of all, the greatest NXT match (up to that point, at least) against Shinsuke Nakamura.
The show also featured another dominating Asuka performance, where she dismantled evil Emma, the lackey for Asuka's first NXT victim Dana Brooke, and some stellar superstar cosplay (like Finn Balor's Jack the Ripper entrance gear or Simon Gotch's ring robe modeled after the Fourth Doctor's signature frock coat and scarf), but Zayn's return became the event's calling card.