When using the Trojan Horse tactic, Arnold incorrectly states the Trojan Horse was used by the Trojans. Actually, the Greeks used the Trojan Horse to enter Troy.
Helga was not seen coming out of the Trojan Horse.
When Arnold and Rex climb the ladder to save Abner, on account of Harold, a flower bed smashes a part of it above them. Except the ledge, nothing else held the ladder stable. Under the circumstances, they did not fall.
Rhonda was dropped on the island but was not seen throughout the whole war except for once in the Trojan Horse.
One side of Rex Smythe-Higgins I's wig is occasionally the color of his skin instead of white.