Porky Pig and Sylvester are out for a camping trip in the desert; as usual Sylvester is scared of the wildlife in the area. However his fears are more founded that he can know as an alien spaceship from Jupiter arrives and abducts them. On the spaceship itself, Porky seems totally unaware while Sylvester is terrified.
The pairing of Porky and Sylvester has been done before and it has always been done with Sylvester scared of something that Porky is mostly unaware of. This cartoon has a sci-fi twist instead of the usual ghost or haunted house setting but it uses all the same materials. It uses the spaceship setting quite well but it just felt a little too familiar for my tastes and the gags weren't funny enough to cover the well used base.
The alien in the film is too non-descript. With Sylvester not speaking and Porky not being funny it was important that the alien have character; he has a few little bits but generally is just one of those beasts that Bugs encountered in Hare-Way To The Stars. Sylvester is OK but is just doing his usual stuff when partnered with Porky; who himself is reasonable enough but is meant to be the straightman of these films - he brings the reaction to Sylvester, meaning that someone else has to bring the action.
Overall, it's about the same level of enjoyment as I got from the other Porky/Sylvester films and it's maybe unfair on this one that I happened to see this after seeing several others, meaning that I was too familiar with the gags.