It was a hard fought battle in the films and a hard fought battle on the DVD shelves this past week as two blockbusters slugged it out for DVD supremacy. According to The Hollywood Reporter, Night at the Museum: Battle of the Smithsonian took the top spot on the DVD sales charts, for the week ending December 6, but not by much.

The sequel had to fend off a strong challenge from summer blockbuster Terminator Salvation, which finished in a close second place behind Night at the Museum: Battle of the Smithsonian, selling about 90% as many copies as this week's winner. Both films finished in the 1-2 spots respectively on the DVD rental charts as well, but the futuristic film scored a victory in high-definition.

Terminator Salvation had an easy win on the Blu-ray sales charts in its opening week, with a whopping 42% of all sales coming in the BD format. Terminator Salvation outsold Night at the Museum: Battle of the Smithsonian on BD by a huge margin of three to one. Night at the Museum: Battle of the Smithsonian sold just 14% of its discs in the high-definition format.