If you happen to be a fan of The Big Bang Theory - hell, even if you're not a fan - you'll be well aware that 2019 is the year that the hugely successful CBS show finally comes to an end.

This decision comes in spite of the fact that the beloved sitcom still attracts more than 12 million viewers each week, and that its cast, as a result, earns a fortune from each episode. In fact, Business Insider reported that Jim Parsons, who plays Dr. Sheldon Cooper, walked away with an eye-watering $50 million for the final two years of the show.

And considering the show's pilot episode aired all the way back in 2007, the show's characters have seen many changes. Raj learned how to finally talk to women, Howard stopped being a sleaze, and Sheldon learned how to handle a romantic relationship.

You may remember that in the opening episode, Sheldon Cooper (played by Jim Parsons) and Leonard Hofstadter (played by Johnny Galecki), find themselves in a high-IQ-only sperm bank.

Because when you're an exceptionally intelligent physicist, why not get your little swimmers out there?

Fans of the sitcom will notice that several elements within the unaired scene are similar to the opening scene that aired in the final pilot - Sheldon and Leonard begin the show in a sperm bank and several of the jokes are the same, just as Leonard completing the receptionist's crossword puzzle.

However, rather than the physicists preparing to make a sperm deposit and then backing down due to social awkwardness, the unaired scene opens with them in the waiting room after already having made their donations.

But perhaps the biggest change in the scene is the fact Sheldon is sexually active from the very beginning. This is a huge change from the Dr. Sheldon Cooper fans got to know throughout the early years of the show, prior to meeting wife Amy.

In the deleted scene, Sheldon is unsure as to whether or not he wants to go ahead with the sperm donation, telling roommate Leonard, "Extreme intelligence is as much of a mutation as the migrating eye of the flounder."

"Sheldon, you’re the only person I know who can take the fun out of masturbation," Leonard replies.

Sheldon's response to this reveals that he - despite his ensuing character development over much of the series - is not the sort of person who shies away from anything remotely x-rated.

"Fortunately, I stumbled across a magazine starring women with large buttocks," Sheldon reveals.

"And by stumble across, you mean removed from your sock drawer and brought with you," Leonard quips, which then causes Sheldon to defend his attraction to bigger butts.

Now, I don't know about you, but I'm pretty glad the scene was removed from the final edit. A Sheldon who openly talks about his, erm, desires, is not the Sheldon that I know and love.

If you happen to be a fan of The Big Bang Theory - hell, even if you're not a fan - you'll be well aware that 2019 is the year that the hugely successful CBS show finally comes to an end.

This decision comes in spite of the fact that the beloved sitcom still attracts more than 12 million viewers each week, and that its cast, as a result, earns a fortune from each episode. In fact, Business Insider reported that Jim Parsons, who plays Dr. Sheldon Cooper, walked away with an eye-watering $50 million for the final two years of the show.

And considering the show's pilot episode aired all the way back in 2007, the show's characters have seen many changes. Raj learned how to finally talk to women, Howard stopped being a sleaze, and Sheldon learned how to handle a romantic relationship.

You may remember that in the opening episode, Sheldon Cooper (played by Jim Parsons) and Leonard Hofstadter (played by Johnny Galecki), find themselves in a high-IQ-only sperm bank.

Because when you're an exceptionally intelligent physicist, why not get your little swimmers out there?

Fans of the sitcom will notice that several elements within the unaired scene are similar to the opening scene that aired in the final pilot - Sheldon and Leonard begin the show in a sperm bank and several of the jokes are the same, just as Leonard completing the receptionist's crossword puzzle.

However, rather than the physicists preparing to make a sperm deposit and then backing down due to social awkwardness, the unaired scene opens with them in the waiting room after already having made their donations.

But perhaps the biggest change in the scene is the fact Sheldon is sexually active from the very beginning. This is a huge change from the Dr. Sheldon Cooper fans got to know throughout the early years of the show, prior to meeting wife Amy.

In the deleted scene, Sheldon is unsure as to whether or not he wants to go ahead with the sperm donation, telling roommate Leonard, "Extreme intelligence is as much of a mutation as the migrating eye of the flounder."

"Sheldon, you’re the only person I know who can take the fun out of masturbation," Leonard replies.

Sheldon's response to this reveals that he - despite his ensuing character development over much of the series - is not the sort of person who shies away from anything remotely x-rated.

"Fortunately, I stumbled across a magazine starring women with large buttocks," Sheldon reveals.

"And by stumble across, you mean removed from your sock drawer and brought with you," Leonard quips, which then causes Sheldon to defend his attraction to bigger butts.

Now, I don't know about you, but I'm pretty glad the scene was removed from the final edit. A Sheldon who openly talks about his, erm, desires, is not the Sheldon that I know and love.