Courage defeats the Cruel Veterinarian, saving his adopted family and ensuring that nobody else will be launched into space, and his previous victims, including Courage's parents, are shown to be alive and well (and quickly extract justice against him), but they're still trapped on the Moon with no indication that they'll ever be reunited.
Example of:
Bittersweet Ending
Courage defeats the Cruel Veterinarian, saving his adopted family and ensuring that nobody else will be launched into space, and his previous victims, including Courage's parents, are shown to be alive and well (and quickly extract justice against him), but they're still trapped on the Moon with no indication that they'll ever be reunited.
