Part 1: What If Dio put the mask on Speedwagon instead? (In this timeline, Dio goes with his original plan of putting the mask on Jonathan, but instead, Speedwagon pushes Jonathan out of the way and he becomes a vampire instead. What changes in the rest of the franchise?)
Part 2: What If Mario Zeppeli couldn't save Caesar and Caesar died in Mario's spot?
Part 3: What If Hol Horse successfully killed Dio when he went to shoot him in the back of the head?
Part 4: What If Okuyasu wasn't given the chance to come back and was permanently dead?
Part 5: What If Melone and Formaggio swapped places, and Melone fought Narancia while Formaggio fought Giorno?
Part 6: What If Jolyne and the others decided to give Rikiel a 2nd chance and join the Stone Ocean squad?