When you think of television, you probably picture drama, comedy, or action—not necessarily a full‑blown concert. Yet some of the most beloved series have slipped in musical gems that catch viewers completely off‑guard. Below you’ll find 10 surprising musical moments that prove even non‑musical shows love to break into song.
10 surprising musical highlights you won’t want to miss
10 Friends
While everyone remembers Friends for its iconic catchphrases, coffee‑shop banter, and the legendary “Smelly Cat,” the series also delivered a few astonishing musical cameos. One standout scene features Chrissie Hynde, the frontwoman of The Pretenders, strolling into Central Perk and belting a soulful rendition of “Angel of the Morning.” The surprise guest spot caught the gang off guard and added an unexpected layer of cool to the beloved coffee‑house setting.
Adding to the musical surprise, rock‑abilly star Chris Isaak drops by for a cameo and joins Phoebe in a heartfelt duet of “Smelly Cat.” Isaak’s smooth vocal range contrasts hilariously with Phoebe’s quirky delivery, prompting her to tease him with the line, “you might want to pick a more masculine note.” The brief performance perfectly blends satire with genuine musical talent.
9 The Big Bang Theory
The long‑running sitcom The Big Bang Theory is famous for its nerdy jokes, scientific references, and occasional musical shenanigans. Throughout its twelve‑season run, the characters indulge in a variety of off‑beat numbers: Raj and Howard tackle “Hammer & Whip,” Raj and Leonard attempt “Bust a Move,” and Howard teams up with Bernadette for a cheeky version of “I Got You Babe” during a road‑trip. These moments are deliberately goofy, serving as comedic relief in the show’s scientific setting.
Amid the light‑hearted ditties, a more emotionally resonant performance shines through. When Bernadette is hospitalized, Howard gathers the gang to sing “If I Didn’t Have You,” a tender ballad that, despite its shaky vocals, radiates heartfelt sincerity. The scene’s earnestness provides a touching counterpoint to the series’ usual humor.
8 Grey’s Anatomy
Grey’s Anatomy’s ambitious musical episode, “Song Beneath The Song,” sparked fierce debate among fans. Some praised the daring concept, while others felt it strayed too far from the medical drama’s core. The episode features an ensemble rendition of “How to Save a Life,” a stirring version of “Breathe,” a toe‑tapping performance of “Running on Sunshine,” and an emotional take on “Wait.”
Among these, Sara Ramirez delivers a standout performance of “The Story.” The visual juxtaposition of Callie Torres lying in a hospital bed while simultaneously strolling and singing creates a surreal, almost dream‑like atmosphere. Despite the odd staging, Ramirez’s vocal prowess shines, making the moment unforgettable.
7 Riverdale
Although marketed as a teen drama, Riverdale has amassed over fifty musical performances across its four‑season run, blurring the line between drama and musical. The series showcases a mix of cringe‑worthy numbers—such as “Exquisite Corpse,” “Our Love Is God,” “You Shine,” and the tongue‑in‑cheek “Sufferin’ Till Suffrage”—as well as genuinely impressive renditions.
Highlights that rise above the rest include spirited covers of “Candy Girl,” the classic “Kids in America,” a soulful take on “Amazing Grace,” and a moody version of “Back to Black.” These performances demonstrate the show’s willingness to experiment with music, delivering both delightful and occasionally uncomfortable moments.
6 Ally McBeal
Ally McBeal epitomizes the quirky 1990s blend of comedy and drama, complete with the infamous dancing baby, the bizarre “Biscuit” dance to Barry White, and even a scene involving a stuck‑in‑the‑toilet gag. The series also featured a parade of celebrity cameo performances—from Barry Manilow and Elton John to Tina Turner and Gloria Gaynor—each adding a glittering musical flair.
Among the many memorable moments, Josh Groban’s moving rendition of “You’re Still You” during a prom scene stands out for its emotional depth. Equally surprising is Robert Downey Jr.’s musical contributions: he croons Joni Mitchell’s “River” in a Christmas episode, gifts Ally a self‑written song titled “Chances,” duets with Sting as a belated birthday apology, and belts a rousing version of Bruce Springsteen’s “Sherry Darling.” These unexpected performances showcase the show’s eclectic musical palate.
5 Once Upon a Time
It would have been a glaring omission if the fantasy series Once Upon a Time hadn’t featured a musical episode during its seventh season. In the 20th installment of season 6, beloved characters step into the spotlight with original songs that blend fairy‑tale charm with contemporary pop sensibilities.
Snow White and Charming kick off the episode with a whimsical “Disney‑style” duet, soon followed by the Evil Queen’s dramatic entry. Captain Hook and Emma also deliver their own heartfelt numbers, but the standout performance belongs to the Wicked Witch, portrayed by Rebecca Mader, who belts “Wicked Always Wins.” Fans erupted in praise, crowning it the episode’s crowning musical achievement.
4 Dawson’s Creek
Often remembered more for its meme‑fueling crying face than its storytelling, Dawson’s Creek still offered a handful of musical interludes that ranged from earnest to cringe‑inducing. A dramatic rendition of “Daydream Believer” drenches the episode in teenage angst, while a drunken duet between Dawson and Andie leans heavily into cringe comedy.
One of the series’ most poignant moments occurs in season 1 when Joey Potter performs “On My Own” from Les Miserables. The heartfelt delivery catches viewers off guard, prompting an outpouring of emotion. Later, Joey teams up with Chad Michael Murray’s character Charlie to belt “I Hate Myself For Loving You,” a performance that delights fans with its unexpected rock‑energy.
3 Stranger Things
In the climactic finale of Stranger Things Season 3, viewers never anticipated a spontaneous musical interlude amid the chaos of the Mind Flayer’s rampage. As Hopper and Joyce scramble for a critical code, teenage duo Dustin and his long‑distance girlfriend Suzie break into an enthusiastic rendition of “The NeverEnding Story,” prompted by Suzie’s persistent insistence.
The performance quickly became a fan‑favorite, celebrated for its joyous energy and the way it lightened a tense moment. Interestingly, the creators originally considered using the “Ent and the Ent‑Wife” song from The Lord of the Rings before settling on the nostalgic 80s classic.
2 Buffy the Vampire Slayer
Buffy the Vampire Slayer paired its supernatural drama with a robust soundtrack featuring artists like Sarah McLachlan, Garbage, and Alison Krauss. The series explored complex relationships—most notably between Buffy and Angel, and later between Buffy and the rebellious vampire Spike—creating a dynamic “Team Angel” versus “Team Spike” fan culture.
Season 6’s seventh episode, “Once More With Feeling,” sees a demonic force compelling Sunnydale’s residents to break into song, revealing hidden truths. Buffy delivers “Going Through the Motions,” lamenting her mundane life, while the ensemble closes with a powerful rendition of “Where Do We Go From Here?” Spike’s haunting “Rest in Peace” also stands out as a fan‑favorite number.
1 House
Gregory House, the brilliant yet cantankerous diagnostician, became an iconic television anti‑hero. The series earned numerous accolades, including SAG, Emmy, and Golden Globe nominations, and was the most‑watched TV show worldwide in 2008. Despite Hugh Laurie’s admission that embodying House was a nightmare, the character’s sardonic wit captured audiences.
In a surprising musical detour, House dons a top‑hat and a magician‑style suit to perform a haunting version of “Get Happy” alongside Lisa Cuddy, played by Lisa Edelstein. The eerie cinematography and House’s unexpected vocal delivery create a disconcerting yet unforgettable moment that showcases the show’s willingness to experiment beyond medicine.