with 5 episodes premiered on January 12, 1976

with 16 episodes premiered on January 15, 1974

This is a list of episodes from the first season of Happy Days.

with 23 episodes premiered on September 10, 1974

This is a list of episodes from the second season of Happy Days.

with 23 episodes premiered on September 9, 1975

with 24 episodes premiered on September 21, 1976

with 26 episodes premiered on September 13, 1977

with 27 episodes premiered on September 12, 1978

with 25 episodes premiered on September 11, 1979

with 22 episodes premiered on November 11, 1980

with 22 episodes premiered on October 6, 1981

with 22 episodes premiered on September 28, 1982

with 22 episodes premiered on September 27, 1983