1: Jim Parsons praises Michael Keaton as possible older Sheldon.

2: Parsons amazed by the idea of Keaton in spinoff role.

3: Fans excited about potential casting of Keaton as Sheldon.

4: Parsons open to seeing Keaton portray older version of his character.

5: Speculation rises over Keaton's potential role in Sheldon spinoff.

6: Parsons expresses admiration for Keaton's acting skills.

7: Keaton's versatility makes him ideal choice for older Sheldon.

8: Parsons intrigued by the possibility of Keaton in spinoff series.

9: Fans await official announcement regarding Keaton's involvement.

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