How Important is Zazu to the Story Line
Elephant Graveyard
Well at first when Zazu came along with Simba & Nala to the Waterhole,but when they ditched the Hornbill and wandered off to the elephant graveyard.They got trapped by Shenzi,Banzai and Ed which where going to kill them,if it wasn't for Zazu Nala And Simba would be dead.
The Stampede
If Zazu was not near Muffi he could not find simba leading that simba would die.