Peacock's Bel-Air, a reimagination of the 90's sitcom, The Fresh Prince of Bel-Air, is going off-air after 4 compelling and layered seasons. The creatives have managed to deliver a rollercoaster of emotions in their series finale, especially with a heartwarming surprise cameo of an O.G. character from the original sitcom.While several actors from the original sitcom have appeared on the unique reimagination previously, from Vernee Watson-Johnson and Daphne Maxwell Reid to Tyra Banks and Janet Hubert, the Fresh Prince himself had not made an appearance throughout the four-season run. All of this, however, changed in the season finale with the most unexpected cameo.Keep reading to find out more.The OG Fresh Prince Will Smith appears in the Bel-Air season finale for a cameoWill Smith has been heavily involved in Peacock's Bel-Air, a reimagination of the original 90s sitcom in a modern-day context. From discovering co-creator Morgan Cooper's viral fan film and reaching out to him to helm the reimagination, to being involved as an EP, Smith has been a part of everything all this time.67th Annual GRAMMY Awards - Red Carpet - Source: GettyHowever, even though Smith was heavily involved in the creative side of the show, he had not made a cameo on the show itself. Considering the numerous actors from the original sitcom who had made cameos, fans had been looking forward to Smith also making an appearance on Bel-Air. This did not happen until the final moments of the series finale came around.The Fresh Prince of Bel-Air actor made a surprising cameo in the final moments of the Peacock show, and he appeared as his own character. Well, a future version of the character.In the Bel-Air series finale, Jabari Banks' Will is about to start his time at the University of Pennsylvania in his hometown after being accepted early into the Business program. As he stands by himself, taking it all in, wondering what his future will look like, a stranger walks in to offer him some much-needed life advice. The stranger is none other than Will Smith.The stranger asks Will:"Steppin’ into the future is kinda scary, huh?"To which Will replies:"Nah, I’m cool"Undeterred, the stranger urges Will to open up, which he finally does, and talks about his fear of losing his individuality in the new place and messing up. The stranger offers his words of wisdom after the younger Will is convinced that the OG has it all figured out:"Don't worry about having all of the answers, nobody does, not even the people who pretend like they do. Trust me, you're going to mess things up, do some dumb sh*t, but you're human. You'll learn. You'll grow. Just live and laugh and cry. Eat a cheesesteak — just not every day, because cholesterol is real. ... Life goes by fast, man. Try to enjoy the ride. I'll let you in on a little secret: We're going to be all right." View this post on Instagram Instagram PostFuture Will's words of wisdom to Jabari's Will made for a full-circle, heartfelt moment on Peacock's Bel-Air. Additionally, it also decided to reserve this cameo until the last moment.Keep reading Soap Central for more such interesting insights into your favorite shows!