To keep the "feature-quality" look of the original 1994 film while working on a television budget and timeline, the crew used a specialized digital technique.
If you're interested in more details, I can look into the used in the film or the specific animation errors fans have spotted in the 1080p versions! Behind the Scenes of The Lion Guard Return of The Roar The Lion Guard - Il ritorno del ruggito [m1080p...
Fans often debate where this story fits. Producer Ford Riley confirmed that Return of the Roar takes place in the middle of the 1998 sequel, The Lion King II: Simba's Pride . Specifically, it occurs after first encounter with Kovu as a cub but before her first hunt as a young adult. 4. Animation Secrets & "Hand-Drawn" Digital Puppets To keep the "feature-quality" look of the original