episode vs series

episode and series both are nouns.

Word	Noun	Adjective	Verb	Adverb
episode	Yes	No	No	No
series	Yes	No	No	No

episode (noun)	series (noun)
film consisting of a succession of related shots that develop a given subject in a movie	(mathematics) the sum of a finite or infinite sequence of expressions
a part of a broadcast serial	a periodical that appears at scheduled times
a brief section of a literary or dramatic work that forms part of a connected series	a serialized set of programs
a happening that is distinctive in a series of related events	(sports) several contests played successively by the same teams
	similar things placed in order or happening one after another
	a group of postage stamps having a common theme or a group of coins or currency selected as a group for study or collection
	(electronics) connection of components in such a manner that current flows first through one and then through the other