Powerpuff Power Hour

"Powerpuff Power Hour" is the series finale of the Powerpuff Girls reboot. The episode is written by writers of the original series Amy Keating Rogers and Randy Myers. It is a crossover with original 1998 series. The episode is set air on November 18, 2018, to commemorate the original series' twentieth anniversary. The series finale of the reboot leads to a revival of the original series.

In the episode, the Professor creates a dimensional portal, in which the Girls enter the 1998 incarnation of her home and meet their counterparts. Meanwhile, Silico is set on destroying the 2016 universe, followed by the 1998 one.

The episode features Cathy Cavadini, E.G. Daily, and Tara Strong, reprising their roles as their 1998 incarnations.