I believe there was a big bang and that because of that we are all connected into infinity, and I know very little having to do with human beings that doesn’t also have to do with connection
― Chris Crutcher
King of the Mild Frontier: An Ill-Advised Autobiography

Leonard: You’ll never guess what just happened.
Sheldon: You went out in the hallway, stumbled into an inter-dimensional portal, which brought you 5,000 years into the future, where you took advantage of the 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?
Leonard: No. Penny kissed me.
Sheldon: Who would ever guess that?