In "Never Roar Again", Kion learns to focus the Roar of the Elders on his opponents directly; he uses said skill to take out the Army of Scar so the Guard can escape.
Scar's army is named the "Army of Scar".
The setting sun near the end serves as a warning that Simba's time is running out, mirroring the rising sun at the beginning of the original film.
Fuli brings up the crocodile, hyena, and jackal invasions from "Let Sleeping Crocs Lie", "The Morning Report", and "Divide and Conquer", realizing they were all planned by Scar.