Let's take a look back at what was happening in the world as they celebrated their win against Collingwood.
The number one song was Upside Down by Diana Ross
Yep. In September 1980 we were upside down, turning round and giving love instinctively.
The hit song was number one on the Billboard charts at the time and had been since September 6.
It was later knocked off the top spot by Queen's Another One Bites the Dust in early October.
The radio was also playing:
- Rock With You by Michael Jackson
- Crazy Little Thing Called Love by Queen
- Another Brick In The Wall by Pink Floyd
- Call Me by Blondie
- Funkytown by Lipps, Inc
- Magic by Olivia Newton-John
Luke had just found out Vader was his father
It seems like a long time ago — in a galaxy far, far away — but it was in May 1980 that Star Wars Episode V: The Empire Strikes Back premiered in cinemas.
It was a smash hit (obviously) and earned more than $500 million in box office sales worldwide.
And everyone was also talking about:
The Shining, starring Jack Nicholson and Shelley Duvall
Fame, starring Irene Cara, Paul McCrane and Laura Dean
Xanadu, starring Olivia Newton-John
Caddyshack, starring Chevy Chase, Rodney Dangerfield and Bill Murray
Malcolm was Prime Minister
No, not Malcolm Turnbull, Malcolm FRASER.
Mr Fraser had been the prime minister since replacing Gough Whitlam after his dismissal in 1975.
In September of 1980 he was gearing up for the federal election against Labor's Bill Hayden.
Spoiler alert: Mr Fraser won that election and governed until 1983 when he was defeated by Bob Hawke.
Baby Azaria had been missing for a month
Nine-week-old Azaria Chamberlain disappeared from her family's tent at a campsite at Uluru (Ayers Rock) on August 17, 1980.
Lindy and Michael Chamberlain claimed a dingo had taken her, and a week later the jumpsuit she had been wearing was found nearby.
Two years later, Lindy was wrongly convicted of murder and sentenced to life imprisonment.
PAC-MAN was everyone's favourite game
Wakka, wakka, wakka!
It was in May 1980 that Namco released the first PAC-MAN game in Japan, introducing us all to those pesky ghosts Blinky, Pinky, Inky and Clyde.
The game hit the US later in October and sold more than 100,000 units in its first year.
John Lennon died just over two months later
John Lennon was shot and killed outside his apartment in New York on December 8, 1980, just over two months after the AFL grand final.
His killer was Beatles fan Mark Chapman, who had asked him for an autograph only hours beforehand.
Two days after the AFL grand final, Lennon did an interview with Newsweek in which he talked about losing ties with Paul McCartney, his relationship with Yoko Ono and falling in love with music again.