(3) Three Vintage, McDonald's frosted glass tumblers celebrating the Flintstones. All three different designs and sizes, including Pre-Dawn Mug, Rocky Road Mug, and TreeMendous Mug . Condition: Like new, appear to be unused. No chips, no cracks, no dishwasher cloudiness, no scuffs or scratches. Comments: McDonalds released a series of collectible glass mugs featuring characters from The Flintstones in 1993. These mugs are quite popular among collectors and come in various designs. Meanwhile, the Flintstones is an American animated sitcom produced by Hanna-Barbera Productions, which takes place in a romanticized Stone Age setting and follows the titular family, the Flintstones, and their next-door neighbors, the Rubbles. It was originally broadcast on ABC from September 30, 1960, to April 1, 1966, and was the first animated series with a prime-time slot on television.