Hint : (these films are all produced by MGM )
Answer :
These films had a difference in the lion roar of MGM.
 |
| trade mark |
 |
| Pink panther |
 |
| a night at the opera |
 |
| swithcin' kitten : tom and jerry |
 |
| sorry safari |
 |
| all dogs go to heaven 2 |
 |
| The Crocodile Hunter: Collision Course |
 |
| The Fearless Vampire Killers |
EXTRA :
 | |
| Slats, the lion used for the original Goldwyn Pictures lion logo | (used from 1916–1924), which was later utilized for MGM. |
