The liquid filling the tube in the Titanica throne room is initially red, but when the tube is three-quarters full, the liquid turns to black.
During the transformation scene in Agent X20's room, X20 walks to the control panel with a pair of binoculars in his right hand. In the next scene, the binoculars have suddenly disappeared.
The 1st WSP Commander is initially voice by Don Mason, but on his next appearance (on the videophone), he is voiced by Ray Barrett.
When Troy and Phones are being transported to the Terror Fish, Troy is sitting in the left chair and Phones is sitting in the right chair. But when they are in the Terror Fish, the two of them have changed positions.
Troy and Phones are captive in the terrorfish, on their way to Aquatraz prison.
Marina unties their ropes to help them overpower the aquaphibian crew.
Once they have siezed the weapons from the aquaphibians, Troy thanks Marina by name. How did he know? Nobody had mentioned her name during the preceding 22 minutes.