Leonard: “You’ll never guess what just happened.”
Sheldon: “You went out in the hallways, stumbled into an inter-dimensional portal, which brought you 5,000 years into the future, where you took advantage of advanced technology to build a time machine, and now you’re back, to bring us all with you to the year 7010, where we are transported to work at the think-a-torium by telepathically controlled flying dolphins?”