Phineas and Ferb/The Lion King

Cast

 * Phineas as Young Simba
 * Teenage Phineas ("Act Your Age") as Adult Simba
 * Isabella as Young Nala
 * Teenage Isabella ("Act Your Age") as Adult Nala
 * Dora and Boots (from Dora the Explorer) as Timon
 * Benny, Isa and Tico (from Dora the Explorer) as Pumbaa
 * Grechen as Young Kiara
 * Teenage Gretchen ("Act Your Age") as Adult Kiara
 * Ferb as Young Kovu
 * Teenage Ferb ("Act Your Age") as Adult Kovu
 * Dr. Doofenshmirtz as Scar
 * Mandy as Shenzi
 * Thaddeus as Banzai
 * Thor as Ed
 * Carl as Zazu
 * Lawrence as Mufasa
 * Linda as Sarabi
 * Vanessa as Sarafina
 * Major Monogram as Rafiki
 * Professor Poofenplotz as Zira
 * Norm as Nuka
 * Candace as Young Vitani
 * Adult Candace ("Phineas and Ferb's Quantum Boogaloo") as Adult Vitani
 * Dory (from Finding Nemo) as Ma
 * Marlin (from Finding Nemo) as Uncle Max
 * The Rabbits (from Wallace and Gromit: The Curse of the Were-Rabbit) as The Meerkat Colony