Exodus 8:9
“And Moses said unto Pharaoh, Glory over me: when shall I intreat for thee, and for thy servants, and for thy people, to destroy the frogs from thee and thy houses, that they may remain in the river only?”
And the magicians did so with their enchantments, and brought up frogs upon the land of Egypt.
Then Pharaoh called for Moses and Aaron, and said, Intreat the Lord, that he may take away the frogs from me, and from my people; and I will let the people go, that they may do sacrifice unto the Lord.
And Moses said unto Pharaoh, Glory over me: when shall I intreat for thee, and for thy servants, and for thy people, to destroy the frogs from thee and thy houses, that they may remain in the river only?
And he said, To morrow. And he said, Be it according to thy word: that thou mayest know that there is none like unto the Lord our God.
And the frogs shall depart from thee, and from thy houses, and from thy servants, and from thy people; they shall remain in the river only.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Related Verses
“Then Pharaoh called for Moses and Aaron, and said, Intreat the Lord, that he may take away the frogs from me, and from my people; and I will let the people go, that they may do sacrifice unto the Lord.”
“And Moses said, Behold, I go out from thee, and I will intreat the Lord that the swarms of flies may depart from Pharaoh, from his servants, and from his people, to morrow: but let not Pharaoh deal deceitfully any more in not letting the people go to sacrifice to the Lord.”
“And the frogs shall depart from thee, and from thy houses, and from thy servants, and from thy people; they shall remain in the river only.”
“Then the Lord said unto Moses, Go in unto Pharaoh, and tell him, Thus saith the Lord God of the Hebrews, Let my people go, that they may serve me.”
“And the Lord spake unto Moses, Go unto Pharaoh, and say unto him, Thus saith the Lord, Let my people go, that they may serve me.”