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Uploaded by Deanmo23 on Mar 22, 2009
From 1979. On the Mystery Guest Game Show, the contestants (Cookie Monster, Sherlock Hemlock and Don Music) try to guess who the mystery letter of the alphabet is.
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Mystery Guest, Are You The Last letter of the Alphabet, Hmm?
MGHSHour2a 1 week ago
Who did the voice of the letter X in this clip? I'm guessing that it was Brian Muehl.
JeffK1980 1 month ago
If this were done today, the contestants would be Cookie with O, Elmo with E and Zoe with Z. And how about this, what if Joey Mazzarino were the X?
MrMetalmanRock 4 months ago
I like how Cookie Monster pats Don Music on the back when he gets it wrong, like, "It's OK buddy." :D
arrow325 9 months ago
The game is fun. But the sound Effects when they write is Very Irritating. But they could never guess the Mystery Letter.
Arys234cool 1 year ago
"X" is so cute
newyorkfan16 1 year ago
Don Music writes the letter M with his nose. XD
MariPamJam 2 years ago
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Mystery Guest, Are You The Last letter of the Alphabet, Hmm?
MGHSHour2a 1 week ago
Who did the voice of the letter X in this clip? I'm guessing that it was Brian Muehl.
JeffK1980 1 month ago
If this were done today, the contestants would be Cookie with O, Elmo with E and Zoe with Z. And how about this, what if Joey Mazzarino were the X?
MrMetalmanRock 4 months ago
I like how Cookie Monster pats Don Music on the back when he gets it wrong, like, "It's OK buddy." :D
arrow325 9 months ago
The game is fun. But the sound Effects when they write is Very Irritating. But they could never guess the Mystery Letter.
Arys234cool 1 year ago
"X" is so cute
newyorkfan16 1 year ago
Don Music writes the letter M with his nose. XD
MariPamJam 2 years ago