"I Wanna Get Better" is a song by American indie pop act Bleachers. Written and produced by frontman Jack Antonoff and John Hill, it was released as the lead single from Bleachers' debut studio album Strange Desire on February 17, 2014, through RCA Records. "I Wanna Get Better" topped the Billboard Alternative Songs chart, becoming the band's first number-one single, and also reached the top ten of the Hot Rock Songs chart. Its accompanying music video stars Antonoff as a therapist and was directed by his girlfriend, actress and filmmaker Lena Dunham.

"I Wanna Get Better" incorporates cut-up piano notes and samples into its arrangement; Antonoff's vocals range from baritone to "shout-along anthemic."

Antonoff considers the song his "mission statement" because it goes through every bad thing that has happened to him. Antonoff has stated that "the message is heavy, it’s not dumbed down" with the verses being literal and the inspiration coming from a place of sorrow following the events of 9/11, his sister's death in 2002, and his cousin's death during the Iraq War in 2003. In regards to the line "lost control when I panicked at the acid test", Antonoff has stated that he "had a horrible experience" with acid and it changed his life.

The official music video for "I Wanna Get Better" premiered on March 27, 2014, and was directed by actress and filmmaker Lena Dunham, frontman Jack Antonoff's girlfriend. The video depicts a day in the life of a therapist (Antonoff) who, after getting dumped by his girlfriend, proceeds to his office and meets a variety of clients, all of whom are depicted describing their own personal problems and lip-synching to the song's lyrics. American comedian Retta of Parks and Recreation fame and Broadway actor Mike Doyle play a couple who are suffering from marital problems, actor Rizwan Manji plays a highly-strung patient who gets distracted by "Bring Your Daughter To Work" Day, and actress Mary Kay Place plays a patient who "creates drama" all make cameo appearances in the video.Orange Is the New Black actress Kimiko Glenn plays Antonoff's girlfriend who leaves him before he leaves for work. Antonoff described working with Dunham as "fun", adding: "I didn't have to do anything. I felt, obviously, completely supported. It was nice to be in a position where you can’t fuck up."

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