Watch 5SOS's Dream-Like Video For 'Amnesia'

5SOS have an epic summer day in their brand-new clip.

5 Seconds of Summer are leaving the underwear and the superhero costumes behind in their brand-new video for "Amnesia."

While the lyric video for the heartbreaking ballad was filled with painful memories of a relationship gone wrong, the music video is a flashback to what seems to be an epic summer day.

The video kicks off with Ashton meeting the guys for band practice in a garage, where they used to get together before hitting it big in Australia. The clip is intercut with shots of 5SOS meeting up some friends as they race shopping carts, go on a road trip, play golf on top of a car and have a pool party, complete with blow-up giraffes, an astronaut costume, lots of water guns and really wet skinny jeans.

The video also shows off the guys individually singing the song to camera, making it seem like they are yearning for those carefree, simple days, which may not be coming around anytime soon, considering they are the #1 band in the U.S.

"Amnesia" was co-written by Good Charlotte’s Benji and Joel Madden.