Episode 1

Mariah plans her upcoming nuptials to James Packer and her first world tour in a decade. Mariah must race the clock to showtime and entrust the tour at the hands of her new manager, Stella.

Episode 2

A grueling tour schedule presents obstacles for Mariah, who does her best to establish a comfortable home base in London for the twins. Meanwhile, two of Mariah's closest friends pull her into the middle of a heated disagreement.

Episode 3

Mariah arrives late to a show due to an unknown time zone change. Stella re-assesses her strategy with the team after a press leak. Stella reluctantly rehires Mariah’s former hairdresser.

Episode 4

Mariah makes special memories for her kids and opens up about her past. Molly disappears in Stella’s time of need. Tanaka lights a match with MC when he jumps out of her anniversary cake.

Episode 5

Mariah spends quality time with her road family in Lake Como, and Tanaka struggles to keep his feelings platonic. Tanaka suffers an unexpected injury that could send him home.

Episode 6

Mariah mourns the loss of her good friend Prince. In other developments, two injured dancers cause Mariah to consider simplifying the show, but Anthony is against the idea. Later, a heartbroken Tanaka realizes his relationship with Mariah was a fantasy.

Episode 7

As the European leg of the world tour concludes, emotions peak, and Mariah is relieved to find out her backup singer and best friend MaryAnne finally has forgiven Anthony, her co-creative director.

Episode 8

No overview available.