Degrassi: The Next Generation Season 12, Episode 21
- Episode Name:Building A Mystery (1)
- Air date:10/12/2012
- Summary:Becky begins to fall for Adam and worries about how her conservative parents will react. At a loss for film ideas, Eli goes to Jake for creative inspiration. Bianca urges Drew to reconnect with his mom.
- Degrassi: Season 12, Episode 21 "Building a Mystery, pt. 1": Amazon Instant Video on amazon.com featured result
- Building a Mystery, Pt. 1 - Degrassi, Season 12 on Apple iTunes featured result