Lab Rats: Bionic ??? Wiki
“Harrington Returns”
Season 1, Episode 15-16
Air Date

December 24, 2015

Prod. code






Episode Guide

Can We Fix It?



"Harrington Returns" is the fifteenth and sixteenth episode of Season 1 of Day of a Soldier. It aired on December 24, 2015.

Fanmade episode by Andre132.


Donald gets a call from Pierce Harrington, and searches for him. However, it gets deeper as Pierce discovers a new bionic ability, bringing Clayton back to life.


Donald calls on Spin, Bob, Mary and Leo to go investigate Eddy's warehouse after getting a call from Pierce, claiming he wants his wife back. Soon, Sebastian, Sarah and Janet get damaged by him, while he sets off to the academy to revive his son, Clayton.


Main Cast

  • Max Charles as Spin Krane
  • Brandon Salgado-Telis as Bob Krane
  • Skai Jackson as Mary Krane
  • Cole Ewing as Sebastian Krane
  • Ashley Argota as Sarah Krane

Recurring Cast

  • Billy Unger as Chase Davenport
  • Spencer Boldman as Adam Davenport
  • Kelli Berglund as Bree Davenport
  • Tyrel Jackson Williams as Leo Dooley
  • Hal Sparks as Donald Krane
  • Craig Zimmerman as Pierce Harrington
  • J.T. Neal as Clayton Harrington
  • Kamil McFadden as Rick Laps

Guest Cast

  • Ross Butler as Butler Davenport

Absent Cast

  • Mateus Ward as Marcus Davenport

Mentioned Cast

  • Mateus Ward as Marcus Davenport
  • Maile Flanagan as Terry Perry
  • Jeremy Kent Jackson as Douglas Davenport


  • Mateus Ward is absent in this episode. This is because, according to Donald, his character was getting his gears repaired.
    • This is the first time that a main character/Marcus is absent in a one hour special.
      • This is also the first time that Marcus is absent in an episode.
  • Janet's first appearance.
  • This is not the first time Kamil McFadden and Ross Butler appear together. They also appear in K.C. Undercover, another Disney show.
  • There's a fight between Leo and Butler.
  • Butler dies.
  • Apparently, ever since Pierce turned against the laircademy, he had been working on bionics and managed to create a new bionic ability.