4 - 13Mother of Invention Part 2Mar. 02, 2017- 4 - 12Mother of Invention Part 1Mar. 02, 2017
- 4 - 11Growth SpurtMar. 02, 2017
- 4 - 10Forces of NurtureMar. 02, 2017
- 4 - 9ThermoDadMar. 02, 2017
- 4 - 8Search PartyMar. 02, 2017
- 4 - 7Wilderness Tech Pt. 2Mar. 02, 2017
- 4 - 6Wilderness Tech Pt. 1Mar. 02, 2017
- 4 - 5PalceptionMar. 02, 2017
- 4 - 4Flying the CooperMar. 02, 2017
- 4 - 3Enemy LinesMar. 02, 2017
- 4 - 2Dumpster DivingMar. 02, 2017
- 4 - 1Operation PalMar. 02, 2017
In season four, the team bands together and uses scientific approaches to solve problems including: getting lost in the wilderness, dealing with a friend moving, building a robot for competition, and defending the junkyard from Ada's hostile takeover in an epic series finale.
