Los Angeles ? A sci-fi love story has given way to an earthbound romance at the box office, livening up typically slow times at theaters over Super Bowl weekend.

Released by Sony’s Screen Gems banner, “Dear John” debuted as the No. 1 movie with $32.4 million, knocking off “Avatar” after seven weekends in first place, according to studio estimates Sunday.

Estimated ticket sales for Friday through Sunday at U.S. and Canadian theaters, according to Hollywood .com.

1. “Dear John,” $32.4 million.

2. “Avatar,” $23.6 million.

3. “From Paris With Love,” $8.1 million.

4. “Edge of Darkness,” $7 million.

5. “The Tooth Fairy,” $6.5 million.

6. “When in Rome,” $5.5 million.

7. “The Book of Eli,” $4.8 million.

8. “Crazy Heart,” $3.7 million.

9. “Legion,” $3.4 million.

10. “Sherlock Holmes,” $2.6 million.