|Episode of Hey Arnold!|
|Season 4, Episode 61a|
|Air date: March 17, 1999|
|IMDb • TV.com|
Don Del Grande's
Eugene's Birthday is an episode in the Hey Arnold! TV Series.
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- When Arnold, Sid, Stinky and Gerald are in the treehouse, the sign above sid reads "Keep Leet". When Gerald mentions "Eugene loves the aquarium" the sign reads "Keep Left".