“The Big Bang Theory” was one of the biggest television shows of all time.

“I recall feeling like I was walking on a tightrope for that first audition.

The dialogue was so dense to me, at least and had lots of multisyllable words.

Macaulay Culkin poses on the red carpet

I just felt it.

Thankfully, everyone else agreed,” Parson recalled in 2019 of landing the role on the show.

In addition, Galecki reminisced about getting the casting just right and reshooting the pilot.

Macaulay Culkin at an event

It felt like a band you’d been playing with for years.

And everything that everyone did complemented what someone else had to do.

It was just fantastic.

There’s no recipe for that kind of chemistry," he confessed.

However, he also nearly starred on one of TV’s biggest shows.

However, he turned down the role because he didn’t like the way the pitch sounded.

“They pursued me for The Big Bang Theory,” and I said no.

That was the pitch.

And I was like, ‘Yeah, I’m cool, thanks.’

And then they came back at me again, and I said, ‘No, no, no.

Again, flattered, but no.’

“At the same time, I’d be bashing my head against the wall.”