Goof: Just after Alan removed the mind control ring from Alexandra, it's still seen on her hand as she jumps off Merla's chariot.
Goof: When Sebastian disappears down one of the transport tubes, Valerie is the first to notice and tells the others to follow her the same way. Afterwards, Josie speaks, but with Valerie's voice.
Goof: After Valerie sabotages Tyran's equipment to help Josie, Alan, and Melody to escape, she's first seen by the door calling for them to hurry. However, she's seen running along with them as if she's in two places at once.
Goof: Early in the episode, Josie, Alan and Alexandra are captured and are brought over to Tyran. The whole gang eventually escape his clutches, but Josie and Alan are recaptured along with Melody. But when the three are facing Tyran this time, it's the original rear head shot of Josie, Alan, and Alexandra being used from the first time.
Goof: During the chase scene in the caves, one shot of Alexandra shows the white streak of her hair missing.
Goof: After some of the group crash their ground vehicle into one of the Frogs' air vehicle during their escape attempt, Alan seems to be speaking with Alexander's voice when he says "Now there's a switch."
Goof: When the group is escaping from the circus, Alexandra is seen in a cat outfit even though she's not part of the band.
Goof: When the gang escape the giants' lab with a cup they're using a boat, Alexander is originally seen at the rear rowing with a spoon. But in the next shot, he and Alan seem to have switched positions and it's Alan who's rowing.
Goof: During the mine car chase, one scene shows Valerie speaking with Melody's voice when she says "They're gaining on us".
Goof: The gang was able to destroy all the magnets with a self-destruct device that melted them all away. Yet, somehow at the end, Alexandra had one that was still functioning in a failed effort to draw Alan towards her.
Goof: When the gang is surrounded by both alien groups, Valerie is briefly seen with them even though she had split from them to get to the catapult which she eventually used to rescue them.
Goof: When the gang is at the lab, Valerie tells Melody to grab some sticks she can use as drumsticks. However, notice that it's Melody who's speaking with Valerie's voice.