YMMV / Supergirl (2015) S4E12 "Menagerie"

• Accidental Innuendo: "Brainy, what are you doing in the closet?"
• Strangled by the Red String: Inverted; Lena abruptly breaks up with James simply because he tells her that although he supports her human augmentation research, he's got qualms about it being put to military use and she reacts to that by acting like she's been stabbed in the back and there's no way their relationship can work. It also doesn't help that they'd already broken up and then gotten back together just a couple episodes ago, making the reunion completely pointless and giving the impression that the writing crew is just completely waffling over whether they should be a couple.