"Yesterday they were talking me through filming through the chat on Zoom, literally like they were talking to a civilian trying to land a plane," Oliver said of Last Week Tonight staff via video chat with Colbert on last night's Late Show. "'I know you have a lot of buttons in front of you. Don't panic. I can feel you panicking. There's a small red one that you need to press. What did you just press?! Oh my God, our screen's going crazy!' They were very patient, but we got through it."