The latest Star Wars film has fallen to third place at the North American box office, as animated movie Madagascar moved up to the top spot.
Schwimmer (left) and Stiller (right) add voices to Madagascar
Revenge of the Sith took an extra $26m (£14.3m) last weekend but lost its number one position after a fortnight.
Animal adventure Madagascar - with the voices of Ben Stiller, David Schwimmer and Ali G creator Sacha Baron Cohen - took $28.7m (£15.7m).
Prison film The Longest Yard also moved up one, into second place.
The movie, which pits inmates and guards against each other in a prison American football game, stars comedians Adam Sandler and Chris Rock - who also features in Madagascar.
Revenge of the Sith has taken $308.8m (£169.8m) in the US
Oscar winner Russell Crowe enters in fourth place in boxing drama Cinderella Man, box office tracker Exhibitor Relations said.
Teenage girl movie The Sisterhood of the Traveling Pants took $10.2m (£5.6m) and entered in fifth place.
Revenge of the Sith, the final part of George Lucas' Star Wars movie series, has taken $308.8m (£169.8m) at the US box office so far.
Last month it was the most successful film opening in UK cinema history, making £14m in four days.