Teacher Superhero?

[chrisjdarby]

Anyone help me out? - What was the name of the 1970's (?) TV programme which had a school teacher become a "superhero" by putting on a t-shirt with a Chinese symbol on the front?

[Mamyalynne]

The Greatest American Hero ? But think that was the eighties.

[webbo3]

this one perhaps.

http://www.imdb.com/title/tt0081871/

[DeeLicious]

Hong Kong Phooey ?

[Mamyalynne]

He was a janitor in a Police Station.