When does Mr. Merlin return?

Mr. Merlin was produced by Larry Rosen and Larry Tucker, working as the Larry Larry Company, in association with Columbia Pictures Television. Barnard Hughes played Max Merlin, who is immortal, living in modern-day San Francisco, disguised as Max Merlin. Merlin hires Zachary Rogers (Zachary Rogers) to work in his garage, and when Zac pulls a crowbar out of a bucket of cement, the crowbar is revealed to be Arthur's sword Excalibur.
Merlin hires Zachary Rogers (Clark Brandon) to work in his garage, and when Zac pulls a crowbar out of a bucket of cement, the crowbar is revealed to be Arthur's sword Excalibur and Merlin must reveal himself to Zac and make him an apprentice.