Scooby, Shaggy, Velma, Daphne, Fred; in case you didn’t recognize them.
The eighteenth Scooby-DooDirect-to-Video film.When the Scooby-Doo gang takes a vacation to Atlantic City, they come across a sign for the circus, so Fred insists they visit that night. As it turns out, the circus doesn’t open till the next day, but Fred insists they look around. Eventually, they encounter Marius, the owner of the circus, and a werewolf. Velma eventually scares off the werewolf, and Marius tells the gang that the werewolves have been around everywhere stealing jewelry. The gang agrees to take part in the circus acts while the other members of the circus have been frightened away.
Black Comedy: Fred explains that when he was practicing on the trapeze before, he didn’t catch the person he was supposed to who fell and hit more people who hit the popcorn machine that fell over and caught the bleachers on fire and burned down the whole circus. He broke a lot of bones, none of them his.
Easily Forgiven: Velma, Fred, and Daphne openly accuse Marius of being the werewolf, and he get upset about it for about ten minutes. Neither party brings it up again. It's probably alleviated by the fact that the gang saves Marius' life when Archambaut attacked him.
Eating Pet Food: Animal trainer Doubleday absent-mindedly shoves a dog biscuit into Shaggy's mouth. Shaggy doesn't mind and eats it anyway.
Eskimos Aren't Real: Shaggy doesn't believe in Sweden, thinking it's a made-up place like Fairyland. Or Australia.
Fanservice: Daphne’s circus outfit. The clown outfit also qualifies.
Groupie Brigade: Shaggy acquires one after being hailed as a circus superstar.
Heroic BSOD: Shaggy has one when he realizes he’ll be performing in front of his favorite band.
I Never Said It Was Poison: One of the villains gives himself away by referring to the black diamond, despite supposedly having been kidnapped when the gang learned that carbonado referred to a black diamond.
It Works Better with Bullets: One of the villains attempts to shoot Scooby with a tranquiliser gun, only to discover that Shaggy has taken the darts out of the gun.
Kavorka Man: Fred, who’s not exactly ugly, scores some points with the trapeze woman.
Shaggy also scores some female fans after he gets credit for Scooby’s act. Even a few at the beach in their swimsuits.
Let's Split Up, Gang: While they’re looking around the empty circus, Scooby and Shaggy run astray from the rest of the group twice, the second time with Velma.
Eventually they do it again after being attacked in the city, but they end up with Fred.
Nice Job Breaking It, Hero: When Fred tries burying the werewolves in garbage, they avoid the attack, and end up covering the manhole into which Daphne and Velma just jumped.
Non-Ironic Clown: Well there’s one, but the main clown is actually an actor posing as a clown in the circus. His partner is the real clown.
Right Behind Me: Shaggy is talking to the others about the werewolf when he notices them staring silently at him. He asks "You'd tell me if the werewolf was right behind me, wouldn't you?". Naturally, it is.
Scooby-Doo Hoax: All staged by Doubleday and his trained orangutans so that they could steal jewelry. Well, that’s what you might think if Velma didn’t figure out that Archambault was in on it and cut Doubleday off before he could say so. Apparently, both of them were mad that Marius’ uncle gave the circus to him instead of one of them, who had been working for him much longer.