The Greatest American Hero - My Heroes Have Always Been Cowboys

In this episode Bill has to stop his police officer friend from
doing something stupid. At the same time, Ralph is having second
thoughts about being a superhero after he almost sends a bus full
of tourists over a cliff. Bill tries to tell him to suck it up,
but he is not listening. At least not until Ralph meets John
Hart, AKA The Lone Ranger. After talking with him, he realizes
people need heroes.