1: Jim Parsons on the possibility of Michael Keaton playing an older Sheldon in a spinoff.

2: Parsons praises Michael Keaton's talent but doubts his fit for the role.

3: Fans speculate on who could potentially play an older Sheldon.

4: Parsons unsure if a spinoff would ever happen.

5: Keaton's name sparks excitement among fans.

6: Parsons open to the idea but skeptical.

7: Keaton's versatility as an actor considered for the role.

8: Parsons' candid thoughts on the hypothetical spinoff.

9: Fans eagerly await any news on a possible spinoff casting.