Best fantasy TV plot holes of 1993

Mighty Morphin' Power Rangers picture

A Friend in Need (3) - S3-E3

Plot hole: Somehow Bulk and Skull know that the Rangers use the phrase "It's Morphin' time" and also reach behind their belts. They're not supposed to know this, unless they know the Rangers' identities (which of course they don't know despite their "efforts").

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