Updated July 22:
Michael Graziadei will first appear as Daniel on the August 25 episode of "Y&R."
Original post July 6:
Michael Graziadei returns to The Young and the Restless as Daniel Romalotti beginning on Thursday August 25, as reported by EW. He’ll appear in scenes with Gina Tognoni as his mother Phyllis, who he left in a comatose state back in 2013. The return will be short-term.