When asked by interviewer Paulette Cohn what he wishes he had been able to do on “Bones,” Boreanaz replied:
“I wanted to do an old man episode really bad. I actually went and got fitted for the prosthetic. It just didn’t work out time wise. It’s hard to get people in and out of the makeup.”
It’s possible someone wrote a flash-forward episode wherein audiences would have seen what Booth looked like as an old man. “Bones” wasn’t like Boreanaz’s other super-popular TV series “Angel” (a semi-comedic vampire-themed spinoff of “Buffy the Vampire Slayer”), so it’s unlikely something supernatural or mystical artificially advanced Booth’s age. Perhaps Boreanaz was to play an older relative of Booth and maybe even act in scenes opposite himself. Or maybe Boreanaz was just going to play an entirely new character, an older man who gives clues to Bones and Booth. It is unclear.
Boreanaz, however, has no real regrets. Back in 2017, he said:
“I’m in a position now where I just don’t feel like I need to chase anything in my life, so whatever happens, happens. To me, it’s really about finding something that would fit with what I’d like to do, whether that’s developing something, being a part of something or directing a show or a pilot.”
He has since found a new groove, playing Master Chief Special Warfare Operator Jason Hayes, the lead character on “SEAL Team,” a military drama series currently streaming on Paramount+. As of this writing, there have been 104 episodes of that series across six seasons. A seventh and final season is currently in the works. Given that he has starred in three long-running, massively popular shows, Boreanaz has done remarkably well for himself.