Will Forte and Kate McKinnon merge comedy and psychology in a vintage “SNL” spoof that explores the origin of gaslighting.

Forte drives McKinnon to the edge of insanity by “slowly dimming the gas-fueled lights around her and then denying it.”.

Because to me that seemed like not up,” McKinnon says in bewilderment, to which Forte replies, “I hope you’re happy.

“That’s not a tie you’re wearing – it’s a steak,” McKinnon says, to which Forte replies, “Grow up.”

“I guess I’m bad at it," McKinnon says