Julius Cesar returns from his three-year campaign across Europe with his captured slaves to find a less than warm welcome awaits him. His wife is mad at him, the senate is plotting against him and a war between Cleopatra and a rival for control of Egypt. While Cesar and Mark Anthony try to keep control of Rome, they also must side with the beautiful Cleopatra.
Although it is true that Carry On films are an acquired taste and that some of the jokes will be lost to those not familiar with British gags and terms, it is still the case that the Carry On's can be very funny if you get them and they hit the mark. Cleo is yet another example of what made the Carry On movies such a success; this is one of the better ones - plenty of good gags and fine actors to deliver them. The plot is good enough to hold the gags together but not good in the traditional sense - basically the gags are what drive the film rather than the plot!
And what good laughs there are to be had! The humour is innuendo based but is not as out and out crude as the series often could be. Even the slightly smutty jokes are pretty clever and witty; regardless of where you are from, there is enough laughs here to be worth watching. I won't start quoting lines simply because there are so many good ones - the second half is a little weaker than the first, but it is all still good stuff!
The cast are great despite missing a few of the regulars. The film's stand out performances are easily Williams and James. James is his usual self, regardless of historical setting but Williams is simply superb and makes his lines work better due to his delivery. He has most of the screen time and he makes the film. Barrie is not that good looking but she makes a good Cleopatra and she has a good body on her. Williams and Dale don't have that much to do but are still OK despite feeling supplemental to the action. Hawtrey is hilarious and Sims is OK.
Overall this is as good an example of the Carry On series as any other. It is smutty without being overly crude, with a good mix of sex jokes and witty puns and such. The plot holds the film together without being intrusive on the gags. A fine example of a series that could be as good as it could bad - here it is good.