Shazam! was Filmations first live-action television series that ran from 1974 to 1976.
The show spawned a spin-off, The Secrets of Isis, and in 1975 the two paired up together, becoming The Shazam/Isis Hour.
The series featured youngBilly Batson (Michael Gray) and his elderly guardian, known only as Mentor (Les Tremayne). Together they traveled across 1970's California in an RV, righting wrongs and helping those in need. Gone is any reference to his home town of Fawcett City. When trouble arose, Billy exited the RV, spoke the magic word "Shazam". He was instantly struck by a magic lightning-bolt and transformed via animation and special effects into the World's Mightiest Mortal, Captain Marvel.