Complex sentence: She also has some kind of a grudge against an as-yet-unseen character called Trudy Beekman, in the episode "Killing Utne" it appears she is her neighbor and this grudge continues in "Skytanic".
Split into simpler sentences: She also has a grudge against an as-yet-unseen character called Trudy Beekman. In the episode "Killing Utne", it appears Beekman is her neighbor and this grudge continues in "Skytanic".