The plot concerns an attempt by Phineas Flynn and Ferb Fletcher to reform the band Love Händel for their parents' wedding anniversary.
The episode's central characters, the members of Love Händel, are parodies of three of the production staff, Gaylor, Povenmire, and Jeff "Swampy" Marsh.
Jaret Reddick, Carlos Alazraqui, and Steve Zahn guest starred as Love Händel members Danny, Bobbi Fabulous and Sherman/Swampy, respectively.
The episode garnered a Primetime Emmy Award nomination for the song "Ain't Got Rhythm" in the category "Outstanding Original Music and Lyrics.
Lawrence goes to the garage to search for a gift and discovers an old album by Love Händel: he explains to the children that he and Linda shared their first kiss at the band's farewell concert.
Lawrence despairs of recapturing the moment, but Candace, Phineas, and Ferb watch a Where Are They Now?-type special about Love Händel, and decide to reform the band.
Phineas and Ferb set out to convince the members of Love Händel—lead singer Danny, bassist Bobbi Fabulous, and drummer Swampy (whose real name is Sherman)—to reform.
The explosion as Doofenshmirtz's firecracker rocket launches leaves the lair filthy and partly destroyed; the creepy look thrills Vanessa's arriving goth friends (including her boyfriend Johnny), who find it to be cool.
"Dude, We're Getting the Band Back Together" was written by Bobby Gaylor and Martin Olson, with storyboards by Chris Headrick and Chong Lee.
Fritz praised it for demonstrating "incredible ways to play within the walls of [the show's] formula, constantly coming up with refreshingly different plot lines.
"[4] The episode was also popular among the production staff: Povenmire named it as his and Marsh's favorite, citing the quality of the songs, the "sort of touching" ending, and the "really good feel" of the story.
[11] One of the episode's songs, "Ain't Got Rhythm", was nominated for a Primetime Emmy Award in the category "Outstanding Original Music and Lyrics" later in 2008.
[12] Three songs featured in the episode ("Ain't Got Rhythm," "Fabulous," and "You Snuck Your Way Right Into My Heart") are available on the self-entitled Phineas and Ferb soundtrack.