2005
January
February
March
- March 29 - "Beverly Hills" is released as a single.
April
- April 26 - Weezer kicked off their tour in support of Make Believe in Vancouver, BC, Canada at the Commodore Ballroom.
- April 27 - Weezer performs in New York, NY at the Bowery Ballroom in support of Make Believe
- April 30 - Weezer performs in Detroit, MI Royal at the Oak Music Theater in support of Make Believe
May
- May 3 - Weezer performs in Minneapolis, MN at First Avenue in support of Make Believe
- May 4 - Weezer performs in Chicago, IL at the Aragon Ballroom in support of Make Believe
- May 5 - Weezer performs in Indianapolis, IN at Vogue in support of Make Believe
- May 10 - Make Believe is released.
June
July
August
September
October
- October 3 - During a show at the Allstate Arena in Rosemont, Illinois, the band invited a fan up onstage to play the rhythm guitar for "Undone - The Sweater Song." The fan took advantage of this moment to attempt to get the band to play "Blast Off!" by beginning to play the intro to the song and sang the first four lines of the song before Rivers laughed and jokingly pushed him away from the mic.
- October 24 - On the tenth anniversary of the The Rentals' first album's release Return of the Rentals, Matt Sharp announces he is bringing back The Rentals after a six year absence.
November
- November 11 - The music video for Perfect Situation premieres.
- November 16 - Weezer AOL Sessions debuts.