Box Office Archive
Weekend box office

Jun 16–18, 1978

All 2 films: $18,807,740

#FilmStudioWeekendTheatersTotal
1Jaws 2Uni.$9,866,023640$9,866,023
2GreasePar.$8,941,717862$8,941,717

Figures as published by Box Office Mojo, read from the Internet Archive's copies of the site. About the sources.