The scene where Janja, Cheezi and Chungu watch the impalas from underneath a rock formation, as well as the scene of them overlooking the escaping impalas, is a reference to the original The Lion King movie.
Excluding the pilot, this episode has the most amount of viewers for any episode.
This episode's song, Bird of a Thousand Voices is most likely a reference to the late voice actor, Mel Blanc who was nicknamed "Man of a Thousand Voices." He was known as the original voice of all the Looney Tunes characters (Bugs Bunny, Tweety Bird, etc.)
Kion says Janja doesn’t usually eat bugs when he tried to eat a butterfly and a caterpillar as seen in Return of the Roar