The tour was officially announced on June 15, 2016, and began in Seoul's Olympic Gymnastics Arena on July 22, 2016.
The first 6 dates were in South Korea, making Exo the first K-pop group to have the longest solo concert series in Seoul.
In February 2017, official announcements were made to announce that the promotions would continue in Mexico and the United States, marking it as Exo's second world tour.
It was announced on March 30, 2017, that the tour will conclude in Seoul with two encore performances on May 27 and 28, titled Exo Planet 3 – The Exo'rdium (dot).
Note: Lay made his last public appearance with the group in the Hong Kong concerts due to overlapping schedules with his personal alignments.