The "broken heart" that Beverly draws changes during a camera cut. First it has a more compact zig-zag "break". The camera switches to Erica and Geoff momentarily and when it switches back to Beverly, the heart is much bigger with a less compact zig-zag line.
The word "NO" that Murray writes on Beverly Pictionary paper changes during a camera angle change. When the camera switches to Beverly and she writes over his "NO" to change it to "WOO HOO", the "NO" is more compact and the black marker he wrote it in is much darker.
Takes place in February, but the outdoor scene at the college campus shows trees and shrubbery fully green and shows some students walking around in shorts and t-shirts/light clothing. That is not possible in SE Pennsylvania where the show is set.