The popular Festival of the Lion King stage show is scheduled to return to Disney's Animal Kingdom park in Summer of 2021:

Quote Originally Posted by Disney Parks & Resorts

This Summer, the Harambe Theatre at Disney’s Animal Kingdom Theme Park is scheduled to host the fan-favorite troupe of musical storytellers, along with Simba and his friends, in the celebration of the incomparable “Festival of the Lion King.”

When it returns, “Festival of the Lion King” will be presented in a modified format to be mindful of the current health and safety guidelines. There will be adjustments to the show on stage and backstage, including updates to choreography to allow for appropriate physical distancing. We’ll also adjust how the audience is seated, in line with other theater-based experiences at Walt Disney World Resort. 
It has also been implied that additional stage shows are set to return; but no further details were announced at this time:

Quote Originally Posted by Disney Parks & Resorts

Since reopening the Walt Disney World theme parks last July, cavalcades and flotillas have delighted Guests daily as a new way of sharing our Disney Character entertainment. Walt Disney World is now looking to bring back even more entertainment with a responsible and thoughtful approach.