Take the Plunge: Part 1（直訳：思い切って：パート1）とは、BFDIの最初のエピソード、そしてBFDIシリーズ史上最初のエピソードである。2010年1月1日公開。
- There was a shadow under Blocky, then disappeared when he turned around.
- When Pin was getting up, her arm wasn't attached to her body.
- When Flower held on to Pin, her arm wasn't attached to her body.
- When the scene changed to Spongy, Firey and Coiny were armless and faceless. However, when it moved up to them, their arms (except Spongy's) and face appeared.
- After Eraser explains to Blocky about Golf Ball is a "bossy-bot", Pen and Snowball appeared out of nowhere. It is possible that they joined Blocky immediately.
- At 3:45, Eraser is armless.
- At 4:28, the characters' sizes were incorrect.
- Leafy's voice changed throughout the episode.
- Bubble should've popped when Ice Cube bumped Pencil's Alliance because her bump was too strong.(debatable)