When asked by Ryan to be a guest speaker at his business school, Michael is honored and is very excited about it. But while there, a very rude remark about Dunder Mifflin makes Michael mad and he takes it out on the class and Ryan. Meanwhile Dwight finds a bat in the office and tries to solve the problem all while Jim tricks Dwight into thinking he is turning into a vampire. Written by
Did You Know?
In this episode Michael mentions a former teacher called Mr. Handel. "Handel" is actually the danish word for business which may refer to the title of the episode. See more
When Kevin opens up the door for the bat to fly into the break room and declares himself a "hero," a ceiling panel opens up (presumably for the bat to fly into). See more
[in a confessional after Dwight believes Jim was bitten by the bat
If a vampire bat was in the U.S., it would make sense for it to come to a "Sylvania," like Pennsylvania. Now, that doesn't mean Jim is going to become a vampire. Only that he carries the vampiric germ.