Lone Starr and Barf are named fans of the day at a Spankees ball game and win a trip to Watch your Assic Park to see the Spankees train. After they arrive at Isla Nueblo (180 star miles from Planet Costa Rica) they learn how Skroob, the owner of the Spankees, uses a combination of steroids and dinosaur DNA to create Dino-athletes and rule the sports universe. Despite being quite disgusted, Lone Starr, Barf, Vespa and Dot take the park tour anyway, accompanied by Skroob's precocious 9 year old niece Jasmine and two anonymous lawyers.

The Spaceballs have mixed Ecoli with Ebola to create the deadly soft-drink 'Ecola'. Barf, who has been put on a soft-drink free diet, starts an epidemic on planet Moron.

Lone Starr and Barf are invited back to the annual golf tournament at Mawgwarts academy of golf and magic. During the tournament the face the Dragonian gopher of fire and stiff competition from Darko and Prof. Snapple.

Lone Starr sells some of his organs so he can buy a brand new van. President Scroob catapults a mighty meteor towards Druidia, which attracts other cataclysms in it's wake.

Princess Vespa boards a giant cruise ship on her maiden voyage around the tip of Areola. Little does she suspect Scroob and Helmet are out to kidnap her again. Luckily Lone Starr and Barf win some tickets in a strip poker game as well.