1970s TV Show That Gave Us the Fonz

This page is the CodyCross answer for the clue below from Underground Worlds, Group 2174, Puzzle 2 (Holland Tunnel).

Question is: 1970s TV Show That Gave Us the Fonz

and the answer is: HAPPYDAYS

Word Meaning:

HAPPY DAYS — (British, Ireland) An exclamation which expresses satisfaction.

Definitions from Wiktionary.