Disney XD's show Lab Rats has officially finished filming its fourth and final season! Kelli Berglund posted a heartwarming and emotional message on her Instagram account, calling her experience on the show a "roller coaster ride" with "endless love and laughter."
CLICK HERE TO SEE HOW MUCH THE CAST OF 'LAB RATS' STYLE HAS CHANGED SINCE THE SHOW FIRST STARTED!
To commemorate the show, we decided to take a look back at the guest stars you totally forgot about. Click through the gallery, then let us know if you remember any of the actors being on the show in the comments below.
The Fosters actress Ashley Argota played one of Victor Krane's bionic soldiers in three episodes of the show.