When Nina calls Ava to discuss Dennis coming to visit, she states that Dennis cannot raise his left arm. When Dennis is on the phone with Ava discussing the plane ticket, he is using his left arm to hold the phone to his ear.
Robin, Marcus' mother, stats that she ordered the Royal Rumble on pay-per-view. At the time of airing, the Royal Rumble was available on Peacock, so she wouldn't need to order it.