|This article is about an episode that has yet to be, but will soon be, released in the US.|
You Troll is an episode of the ALVINNN!!! and The Chipmunks series.
Dave gets an "Instant Gram" account and after several embarrassing posts, Alvin does all he can to stop him. 
- Alvin Seville
- Simon Seville
- Theodore Seville
- Brittany Miller
- Jeanette Miller
- Eleanor Miller
- Dave Seville
- Miss Smith
- Officer Dangus
- Bocarter Humphrey
- Cheesy (cameo)
- Kevin (cameo)
- John (cameo)
- Olivia Ortega
- "Hashtag" 
- "Instant gram" is a play on the popular social networking service, Instagram.
- The bunny costumes Dave and Alvin wear in the end are the same ones Alvin wore when he lost the bet to Bocarter in Across The Universe.
- Series Running Gag: We're chipmunks - Simon reminds Alvin that Dave "lives with three chipmunks" after Alvin suggests telling everyone that Dave doesn't like animals.
- Goof: During the beginning, Alvin's hood disappears for a moment before reappearing again.
- Series Running Gag: Alvin says the wrong word/phrase - "social piranha" instead of "social pariah."
- When Julie shows Dave Alvin's Instant gram video, he's shown playing a brief part of the guitar solo from the season three song "One in a Million."
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