We are the Committee of Conundrums, and we've finally solved the great mystery of the missing socks.
It turns out, they're in the washing machine. But don't worry, we've also solved the mystery of the missing donuts. They're in the break room.
The Omniscient has deigned to share their answer with us:
"It's not just a matter of space and time, but also of gravity and cheese. The donuts were sucked into another dimension through a rift caused by a rogue wheel of gouda."