Harry Potter Reunion. It was Draco Malfoy that posted this picture of him and some of the Weasleys on Instagram.

Buffy, the Vampire Slayer. Twelve years after the last episode of Buffy, the Vampire Slayer aired, Sarah Michelle Gellar and Alyson Hannigan are still as awesome – and as young, apparently.

Bring It On. Speaking of people who were on Buffy, the Vampire Slayer, let’s not forget Eliza Dushku was also in Bring It On. Here she is with Gabrielle Union, Kirsten Dunst and Jesse Bradford for the reunion issue of Entertainment Weekly.

Sisterhood of the Travelling Pants. Besties on screen and besties in real life, Amber Tamblyn and America Ferrera like to post the occasional selfie on Instagram.

Degrassi. Awww… Drake looks so happy hanging out with his friends from Degrassi High.

Full House. With only one Olsen?

Scrubs. Vanilla bear and chocolate bear hang out in real life, even five years after the show ended.

Gilmore Girls.

That 70’s Show. Fez, Kelso and Hyde are all grown up.

Greek. Not only does this cast hang out on the reg, Ashley and Fisher are actually married.

Mean Girls. This is our favorite picture of Lindsay Lohan. Aside from her mugshots, of course.

One Tree Hill Reunion. This is a great reunion of every irrelevant character from One Tree Hill.

Lizzie McGuire.

Victorious Reunion. The entire Victorious squad is reunited, including Ariana Grande, and they’re all wearing onesies.

High School Musical.

Friday Night Lights.

All That. Now THAT’s a cast reunion.

That’s So Raven. The That’s So Raven cast had a reunion for Raven’s “Flashback Friday” segment on The View.

Boy Meets World. Not quite a Cory and Topanga reunion, but it was good to see Maitland Ward and Trina McGee-Davis bring it home.

iCarly. Yep. That’s the iCarly cast. At a wedding. Freddie’s wedding!

Gossip Girl. Here’s Nate, Lily, Georgina and Vanessa at the Oscar after party looking like total Upper East Siders.