5 Seconds of Summer recently got nostalgic over their fan convention event from November.

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On Monday, the Australian band uploaded a video to their YouTube Channel highlighting their "favourite bits" from their Derp Con fan convention that took place just last month in Los Angeles.

Derp Con was held on Nov. 15 and 16 and was a huge success as fans that attended erupted on Twitter with rave reviews of the fan event. Plus other fans who won contests to attend have taken to the band's Derp Con website to share their experiences at the event in great detail too. 

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Check out the latest shared experiences from the United States winners, which the Aussies announced Sunday on their Facebook page. "USA ! was so good to meet your winners at Derp Con a few weeks ago they represented you all amazingly. you can read about their experience in LA on the website if you like," the band shared. The direct link to the USA winners' experiences can be found in their complete post on Facebook.

Now, the guys have posted a new video detailing their favorite parts from their fan convention. In the video's summary box the Aussies declared, "#5SOSDERPCON was EPIC !"

In the video, Calum Hood stated, "When we first had the idea. It's a pretty insane idea so to see it come to life is pretty amazing."

Furthermore, the video shows many fans with a graffiti wall, which was a popular spot at the convention.

Fans came from all over the world and some even got to share where they came from, including fans from Poland, Germany, Indonesia and more.

Check out the video for more of the Aussies' favorite moments.

Tags: 5 seconds of summer