The episode seven of "The Big Bang Theory," Season 7, "The Proton Displacement," will see the return of Bob Newhart in the role of Professor Proton.

Professor Proton will seek out Leonard (Johnny Galecki) for a piece of advice, which will not go well with Sheldon. He will feel "slighted" and is likely to be cribbing about it throughout the episode. In a tit for tat move, Sheldon will befriend Bill Nye, a rival science host on T.V. Nye will appear as himself in the "The Big Bang Theory."

According to Nye's Website, Nye is a scientist, engineer, comedian, author, and inventor. He is described as a man with a mission: "to help foster a scientifically literate society, to help people everywhere understand and appreciate the science that makes our world work."

Newhart, 84, won 2013 Emmy Award for Outstanding Guest Actor in a Comedy Series for "The Big Bang Theory." It is the first time in a career spanning more than five decades that Newhart won the Emmy award though he was nominated seven times in the past.

In "The Proton Displacement," Howard (Simon Helberg) is going to crash girls' night and which will trigger the jealously of Raj (Kunal Nayyar).

"The Proton Displacement": "Sheldon feels slighted when Professor Proton seeks advice from Leonard instead of him, and he seeks revenge by befriending a rival science TV host, Bill Nye. Meanwhile, Raj gets jealous when Howard crashes "girls' night," according to CBS' official synopsis.

The episode seven of "The Big Bang Theory" is scheduled to air on November 07, 2014.

In case you would like to memorise the lyrics of Bernadette song during the one week break, here it is:

If I Didn't Have You (Bernadette's Song) [MusiCares® Version]

If I didn't have you

Life would be blue

I'd be Dr. Who without the Tardis

A candle without a wick

A Watson without a Crick

I'd be one of my outfits without a Dick-ie

I'd be cheese without the mac

Jobs without the Wozniak

I'd be solving exponential equations that use bases not

found on your calculator making it much harder to crack

I'd be an atom without a bomb

A dot without the com

And I'd probably still live with my mom

And he'd probably still live with his mom

Ever since I met you

You turned my world around

You supported all my dreams and all my hopes

You're like Uranium 235 and I'm Uranium 238

Almost inseparable isotopes

I couldn't have imagined

How good my life would get

From the moment that I met you, Bernadette

If I didn't have you

Life would be dreary

I'd be string theory without any string

I'd be binary code without a one

A cathode-ray tube without an electron gun

I'd be "Firefly," "Buffy" and "Avengers" without Joss Whedon

I'd speak a lot more Klingon Heghlu'meH QaQ jajvam

And he'd definitely still live with his mom

Ever since I met you

You turned my world around

You're my best friend and my lover

We're like changing electric and magnetic fields

You can't have one without the other

I couldn't have imagined

How good my life would get

From the moment that I met you, Bernadette

Oh, we couldn't have imagined

How good our lives would get

From the moment that we met you, Bernadette

Written by Kate Micucci and Riki Lindhome; Published by Warner-Barham Music LLC (BMI); Performed by Simon Helberg, Johnny Galecki, Jim Parsons, Kaley Cuoco, Kunal Nayyar, and Mayim Bialik