Zack + Kelly (Saved by the Bell)Zack (Mark-Paul Gosselaar) and Kelly (Tiffani Amber Thiessen) are that couple that everybody hated in high school: pretty, popular and perfect for each other.

Joanie + Chachi (Happy Days, Joanie Loves Chachi)Back when Scott Baio was 16 and single, Chachi romanced innocent Joanie Cunningham (Erin Moran) with a special brand of macho swagger he could only have learned from his older cousin, Arthur Fonzarelli.

Brenda + Dylan (Beverly Hills, 90210)West Bev's Romeo and Juliet tragically split when Dylan (Luke Perry) cheated with Kelly while Brenda (Shannen Doherty) was in France, but memories of their dangerous, romantic surfing trips to Baja persist.

Donna + David (Beverly Hills, 90210)Much ado was made about the something that chaste lovebirds Donna (Tori Spelling) and David (Brian Austin Green) weren't doing: having sex. Their wholesome wedding served as the series finale.

Joey + Pacey (Dawson's Creek)Though early episodes seemed to indicate that Joey (Katie Holmes) was Dawson's one true love, it was ultimately the smart-alecky Pacey (Joshua Jackson) who won the show's notorious, endless Love Triangle Olympics

Serena + Dan (Gossip Girl)"Lonely Boy" Dan (Penn Badgely) is a TV fantasy: a sensitive, cute boy who lives in a cool loft in Brooklyn and actually gets the girl, in this case the impossibly beautiful Serena (Blake Lively).

Buffy + Angel (Buffy the Vampire Slayer) Every young couple's "first time" has the potential to be awkward. But for Angel (David Boreanaz), hooking up with Buffy (Sarah Michelle Gellar) cost him his soul.

Rory + Jess (Gilmore Girls)Stars Hollow's star-crossed lovers (Alexis Bledel and Milo Ventimiglia) may not have endured, but we'll always have plenty of YouTube mashups to remember them!

Seth + Summer (The O.C.)Why would the popular, cute-as-a-button Summer (Rachel Bilson) fall for socially awkward comic-book geek Seth (Adam Brody) Because it's TV, people!

Blair + Chuck (Gossip Girl)What's hotter than collective scheming Bad seeds Blair (Leighton Meester) and Chuck (Ed Westwick) use the misfortunes of others to ignite their e-vil passions.

Troy + Gabriella (High School Musical)A hunky athlete (Zac Efron) and a beautiful math whiz (Vanessa Hudgens) sing and dance their way through their courtship. Jealous much

Angela + Jordan (My So-Called Life)Jordan Catalano (Jared Leto) is, like, the cutest, most misunderstood boy in school, and Angela Chase (Claire Danes) would totally smash all her Alice in Chains CDs if she could just, like, smell his flannel shirt.

Veronica + Logan (Veronica Mars)Though bitter adversaries at first, Veronica (Kristen Bell) and Logan (Jason Dohring) personified the love-hate relationship, bickering all the way to the series' ambiguous ending.

Spencer + Heidi (The Hills)Spencer Pratt and Heidi Montag have weathered a couple of relationship storms on The Hills. Why do they stay together Because C-lister + C-lister almost = A-list status, right