[3] Commissioned by ABC, it premiered on 7two on 1 December 2015 and began broadcasting in Canada the following month on Family Chrgd.

The series aired on Ici Radio-Canada Télé in Canada, and Universal Kids in the United States.

The Deep was aired on CBBC in the UK, RTS Deux in Switzerland, Marvel HQ in India, La Trois in Belgium, Ketnet in Belgium, NRK in Norway, DR in Denmark, SVT in Sweden, YLE in Finland, Okto in Singapore, Super RTL in Germany, TVP ABC in Poland and eToonz in South Africa.

In 2017, it won the AWGIE award for best Children's Television (C-classification) for the episode 'Beware the Sentinels', written by Thomas Duncan-Watt.

She also argued that the series has "exceptional messages about working together, solving problems, and finding strength in those who love you" and called it an "excellent pick for families to enjoy together.