India, Sept. 4 -- Actor Michael J. Fox's Parkinson's diagnosis has restricted him from public life. The iconic actor from Back to the Future has been doing Parkinson's-related advocacy work from time to time. He also did not appear in any project - but for the recent nudging of his old friend, Harrison Ford.

Michael J. Fox made a much-anticipated appearance, guest-starring in three episodes of Season 3 of the Harrison Ford-starrer comedy series Shrinking. The season premiered in January this year, bringing Michael J. Fox back in the spotlight.

But just as the spotlight was shifting in the last few months, the duo teamed up again, this time for a Public Service Announcement (PSA) video on behalf of the Michael J. Fox Foundation. In the v...