AsThe Big Bang Theoryenters season 10, the focus has turned to the shows future.

For series star Kaley Cuoco, the question of an eleventh season comes down to one thing: money.

Its a very expensive question for a lot of people, said Cuoco onJimmy Kimmel LiveMonday.

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After Kimmel asked if she thought 10 seasons was enough, Cuoco nodded and said yes with a laugh.

Its a lot of hair.

I went from like hot to like 30 [years old].

She added: I just cannot believe how much we have all changed.

The guys look exactly the same.

Im the only one thats changed.

Theyve worn the same t-shirts this entire time.

Well put it on as long as everyone wantsBig Bangon the air.

I hope it lasts forever.

Watch the entire clip fromJimmy Kimmel Liveabove.

The Big Bang Theoryreturns Monday, Sept. 19 at 8 p.m.