Let's just let Darrin Morgan write all the things from here on out, shall we?
After returning with a couple somewhat weak episodes, we get this classic, loaded with humor. Mulder is having a crisis of faith over how many things he believed in have been debunked, so when Scully shows him this monster sighting case, his hopes are not high. But the path to the truth proves to Mulder there are more things in heaven and earth . . . (And yes, extra points for the Hamlet, Mr. Morgan.)
I won't go into details; I don't want to ruin it for anyone who might watch. But if the first two episodes turned you off—if, like Mulder, your faith in The X-Files was dampened—this episode should help restore you.