Season 4 is the fourth season of Lab Rats. It premiered February 23, 2015.
Episodes[]
Confirmed Dates[]
These are episodes with confirmed air dates.
- 02/23/15 - First Day of Bionic Academy (401)
Unconfirmed Dates[]
These are episodes with unconfirmed air dates.
- Left Behind (402)
- Bionic Dog (404)
- Mission Mania (406)
- Forbidden Hero (407)
- Spike vs Spikette (409)
- Bionic Action Heroes (410-411)
- Ultimate Tailgate Challenge (413)
- Manley Leo (412)
- Space Elevator (414)
- The Last Hero (423-424)
- Lab Rats/Mighty Med Crossover (???)
Cast[]
Main Cast[]
- Billy Unger as Chase Davenport
- Kelli Berglund as Bree Davenport
- Spencer Bolman as Adam Davenport
- Tyrel Jackson Williams as Leo Dooley
- Hal Sparks as Donald Davenport
Trivia[]
- This is the last season of the series.
- There will be a crossover with Mighty Med season.
- Spike will return this season .