In a Episode 3942, Alphaboy appears as Big Bird's guest on "The Letter B Show."
|Picture||Letter / First Appearance||Description|
| B: Bicycle|
|Alphaboy balances baloney on a blue bicycle, while riding on a bumpy sidewalk.|
| F: Feathers|
|Alphaboy fans his father's foot with funky feathers, causing funny laughter.|
| L: Leaves|
|Alphaboy takes a long leap into lots of lovely leaves, becoming lazy.|
| N: Noodles|
|Alphaboy eats noisy noodles with his neighbor Nora.|
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