The theme on MondaysDancing with the Starswas The Most Memorable Year.

But for Frankie Muniz, its not such a relatable concept.

It makes me a little sad, Muniz said on the show.

Things pop back into my mind [that] I should have remembered.

I said to him once, What are you going to be, an astronaut next?

You are doing all the things professionally that everybody dreams about.'

Ive gotten to do anything that I really wanted to do, Muniz replied.

But the truth is, I dont really remember much of that.

He admitted to his partner Witney Carson that he hasnt gone to doctors about his memory loss.

To be honest, Ive never really talked about it.

Cranston said he told Muniz not to worry about what he cant remember.

Cranston starred with Muniz in 151 episodes ofMalcolm.

They are still [his] experiences, Cranston said.

It will me my job, I will tell him, remember this?

Remember that onMalcolm?What a life for you.

Muniz went on to earn a 24 out of 30 for his quickstep with Carson.

To stay with the Most Memorable Year theme, Muniz said he chose to focus on the present.

It almost feels like it wasnt me.