Melmac was destroyed on Gary 71st, 45-7, according to the Melmacian Calendar (1985 on the Earth calendar), although ALF claims his planet exploded on his birthday (28th of Nathanganger), due to nuclear war. ALF wandered through space for a year before crash landing on Earth.
The following five Melmacians are known to have survived the planet's destruction. Except for ALF, Skip, Rhonda, and Rick were more visible in the animated series.
- Gordon Shumway (ALF) - last seen serving as intergalactic ambassador to Earth.
- Skip - last seen piloting spaceship with Rhonda as passenger.
- Rhonda - last seen as a passenger in Skip's spaceship.
- Rick Fusterman - last known to be married to Stella and running a tanning parlor on Mercury.
- Stella - last known to be married to Rick and running a tanning parlor on Mercury.
The only other native Melmacian being known to have survived the destruction of the planet is a Melmacian Cockroach that Brian named Rodney. This cockroach stowed away on ALF's spaceship in a sack containing a slimeball.