'Velma' continues Scooby-Doo franchise by diving into gang's past

Watch VideoFifty-four years of Scooby-Doo have given fans more than 50 animated films and TV specials, five live-action adaptations and more than 15 animated series. That lineup now includes a new show starring Mindy Kaling that unveils the teenage origins of everyone's favorite meddling kids.

The new adult, animated comedy...