Trivia: Paul Reubens revealed that, in addition to old makeup tricks, digital effects were used to de-age him for the film, to make him look more like he did in the previous films. Reubens remarked that when he was told how expensive the de-aging effects were during post-production, he realised it would have actually been significantly cheaper for him to have just gotten extensive plastic surgery to make himself look younger before filming.
Trivia: Paul Reubens' final scripted film/television performances as his iconic character Pee-Wee Herman before he tragically passed away from cancer in 2023.