There's nothing like a great TV finale: one conclusive episode which gives a show's characters and stories - not to mention the viewers who've faithfully followed along - a truly satisfying send-off. Unfortunately, however, there are plenty of finales - often to really great shows - that just can’t stick the landing. From controversial conclusions to all-out storytelling disasters, these episodes rank among the most frustrating TV finales ever made...<br /><br />The Sopranos | 0:25<br />Dexter | 1:15<br />Seinfeld | 1:45<br />How I Met Your Mother | 2:42<br />True Blood | 3:38<br />Penny Dreadful | 4:22
