K.C. and Ernie go undercover with a planet-loving group called the Volunteens, while Craig is getting in shape for his new assignment to protect an ambassador.
- Zendaya as K.C. Cooper
- Veronica Dunne as Marisa Miller
- Kamil McFadden as Ernie Cooper
- Trinitee Stokes as Judy Cooper
- Tammy Townsend as Kira Cooper
- Kadeem Hardison as Craig Cooper
- Rick Hall as Agent Johnson
- Alice Lee as Jane Keller
- Myko Olivier as Reese
- Rafael Petardi as Ambassador Rollin
- Victoria Scott as Danielle
- This is the third time K.C. and Ernie work together with the first and second being The Get Along Vault and Down in the Dumps respectively.
- This is the first appearance of Jane Keller and Ambassador Rollin.
- This episode has the same name as an Adventure on the online game, Animal Jam
- September 18, 2016 (Canada)
- February 20, 2017 (Latin America, Brazil)
| To view the In Too Deep, Part 1 gallery, click here.