The Flintstones

Watch The Flintstones full movie online Movies123. Watch The Flintstones 123movies online for free. The Flintstones 123Movies: Modern Stone Age family the Flintstones hit the big screen in this live-action version of the classic cartoon. Fred helps Barney adopt a child. Barney sees an opportunity to repay him when Slate Mining tests its employees to find a new executive. But no good deed goes unpunished.