Episode #0048

[It's up to the first poster to come up with a set up, and then each following post will either complete it or fill in the blank(s). And, as always, whoever posts the set up is certainly allowed to post their own completion/fill in as a follow up.]

 

Complete this phrase: "No one was yet aware that when David's toy robot was left alone in his room it plotted to...!!"

Replace David with Will Robinson