In order to get the whole "scope" of Cheers.... what episodes would you have to watch??

Not episodes that you thought were very good, or very funny, but episodes that have to be seen to get the overall storyline of the show.

Season 1
001. Give Me A Ring Sometime
021. Showdown, Part 1
022. Showdown, Part 2

Season 2
023. Powerplay
043. I'll Be Seeing You, Part 1
044. I'll Be Seeing You, Part 2

Season 3
045. Rebound, Part 1
046. Rebound, Part 2
066. Cheerio Cheers
069. Rescue Me

Season 4
070. Birth, Death, Love, and Rice
086. Second Time Around (Lilith's premiere)
093. Strange Bedfellows, Part 1
094. Strange Bedfellows, Part 2
095. Strange Bedfellows, Part 3

Season 5
096. The Proposal
099. Abnormal Psychology
108. Chambers v. Malone
109. Diamond Sam
111. Never Love a Goalie, Part 1
112. Never Love a Goalie, Part 2
120. A House is Not a Home
121. I Do, Adieu

Season 6
122. Home Is the Sailor
124. Little Carla, Happy at Last, Part 1
125. Little Carla, Happy at Last, Part 2
126. The Crane Mutiny
138. To All the Girls I've Loved Before
146. Backseat Becky, Up Front

Season 7
159. Golden Boyd
160. I Kid You Not

Season 8
169. The Improbable Dream, Part 1
170. The Improbable Dream, Part 2
174. The Stork Brings a Crane
175. Death Takes a Holiday on Ice
183. Finally, Part 1
184. Finally, Part 2
193. Cry Hard, Part 1
194. Cry Harder, Part 2

Season 9
203. Bad Neighbor Sam
209. Days of Wine and Neuroses, Part 1
210. Wedding Bell Blues, Part 2
220. Uncle Sam Wants

Season 10
221. Baby Balk
226. Unplanned Parenthood
229. Head Over Hill
232. Go Make
245. An Old-Fashion Wedding (One Hour)

Season 11
246. The Little Match Girl
247. The Beer Is Always Greener
251. Teaching With the Enemy
252. The Girl in the Plastic Bubble
261. Is There a Doctor in the Howe?, Part 1
262. The Bar Manager, the Shrink, His Wife and Her Lover, Part 2
266. Woody Gets an Election
270. One For the Road (Two-Hour Special Finale)

Give me a ring sometime
Powerplay
I do, adieu