2015 WWE Network event
NXT TakeOver: Unstoppable was the fifth NXT TakeOver professional wrestling livestreaming event produced by WWE. It was held exclusively for wrestlers from the promotion's developmental territory, NXT. The event aired exclusively on the WWE Network and took place on May 20, 2015, at NXT's home arena, Full Sail University in Winter Park, Florida.
The event featured six matches as part of the televised broadcast and one that was a dark match that occurred prior to the televised portion of the show. The main event saw Kevin Owens defending the NXT Championship against Sami Zayn. The event is notable for the surprise WWE debut of Samoa Joe. The event included five additional matches, including matches for the NXT Women's Championship and the NXT Tag Team Championship.