The critically-acclaimed The Dark Knight is unstoppable as it topped the box-office for 3rd week in a row and even an army of the undead could not dislodge it from the no. 1 spot.

The Batman blockbuster “The Dark Knight” raked in $43.8 million to rank as Hollywood’s top movie for the third-straight weekend, fending off “The Mummy: Tomb of the Dragon Emperor,” which opened a close second with $42.5 million.

“The Dark Knight” has grossed to $394.9 million in just 17 days, according to studio estimates Sunday. The latest Batman movie is heading towards another record which had an all-time high opening weekend of $158.4 million. The previous $400 million record-holder was “Shrek 2,” which hit that mark in 43 days but the Dark Knight can reach that figure in just 20 days or less.

The movie is alsh heading towards breaking the all-time high domestic revenue record of “Titanic” at $600.8 million.

US Box-Office last Weekend

1. “The Dark Knight,” $43.8 million.

2. “The Mummy: Tomb of the Dragon Emperor,” $42.5 million.

3. “Step Brothers,” $16.3 million.

4. “Mamma Mia!”, $13.1 million.

5. “Journey to the Center of the Earth,” $6.9 million.

6. “Swing Vote,” $6.3 million.

7. “Hancock,” $5.2 million.

8. “WALL-E,” $4.7 million.

9. “The X-Files: I Want to Believe,” $3.4 million.

10. “Space Chimps,” $2.8 million.