CBR

The Big Bang Theory will soon sign off after 12 years. 1 / 8

As the series approaches its conclusion, characters are getting their happy endings. 2 / 8

For example, Sheldon may finally win a Nobel Prize. 3 / 8

In this week's episode, Leonard finally learns to stand up for himself. 4 / 8

He starts small, but eventually goes after a big job at the university. 5 / 8

While he doesn't get that position, he does land a promotion. 6 / 8

With four episodes left, this leaves Penny to get a big professional or personal leap. 7 / 8

The Big Bang Theory's series finale will air May 16 on CBS. 8 / 8