Goof: When Penny sits in the seat on the boat with the clone family, Sugar Mama and Oscar are seen with life jackets on. When it switches to Penny and back to the family they no longer have the life jackets on. When Penny turns around to start the boat and the camera goes to the family everyone now has a life jacket on.
Goof: When Penny and friends are racing to Fifteen Cent's yacht, they run up the side of the boat through the water. But in the next shot, they are seen on the side to walk up.
George Washington Carver is a famous scientist that invented hundreds of uses for the peanut. Contrary to popular belief, he did not invent peanut butter.
In this movie Oscar Proud finally gets some respect from Sugar Mama: she never listens to his ideas or does what he says but in this movie when he tells her to give him a pair of her drawers she initaly argues but actually listens to him and does it allowing him to save Penny.
Running Gag: People talking in the background.
1. After Zoe says "Can I get an Amen?", Lacieniga says "Such a dork"!
2. After Dr. Carver II shows his first broadcast, a guy yells "He's a peanut"!
3. After Dr. Carver II offers Penny his evil offer, a lady yells "Penny don't do it"!
According to Penny's drivers license she lives at 1433 Kelly Road, Wizardville, Ca. This proves that Wizard Kelly not only owns everything in town, but the town as well.
In the series, Penny is 14 but in the movie she turns 16 and just skipped 15.
While Penny is onstage dancing at the stadium, she is wearing a pink top with blue jeans that have a pink vine decoration down the sides. When Penny runs over to her family to have their picture taken, her top is now purple & the design on the jeans is gone. However, in the photograph that they posed for, Penny's top is pink again, but the decoration on the jeans is still missing.
Visitor walking though the door in the opening credits:
Chester the Duck.
LaCienega's feet were small at the lake, but they should've been big!
Visitor walking though the front door in the opening credits: Michael.
Michael's hair is brown & his sweatband is a plum purple color, but when he shows up at the door in the opening credits, his hair is black & his sweatband is a dark lavender purple.
When Penny arrives at the dance, Michael gives her a wrist corsage of pink flowers to wear. The corsage is on Penny's wrist while she is at the table with her friends, but when she starts looking for the monster the corsage has disappeared & a silver bangle bracelet is in its place.
When the gang finds the gross sisters in the closet, they're talking to them and the door is open. Then they're reading what's on the door and it's closed again. Then they are talking to the Gross Sisters again and it's open.
Visitor walking though the front door: Theotis.
Suga Mama mysteriously has her sight back when she's watching Bobby's music video.
After Penny is injured, her head has a bandage around it, then the bandage disappears for several scenes (Supposedly two weeks), however when she goes to the DMV with Suga Mama, the bandage magically reappears, only to disappear again the second Suga Mama gets her drivers license.
Before Dr.Pain stands behind the shield, there's a Band-aid on Penny's foot, but, when he steps out it's gone.
On Bobby's music video, "Disfunkshunal", he shows a clip of his car and it's pink. But in "Crouching Trudy, Hidden Penny", where we first see the car, it's blue.
Visitor's walking in the door in the opening credits: A grown-up Bebe and Cece.