Barney in later seasons *Spoilers*
I loved Barney, but he started to grate on my nerves between seasons 3 & 5. He was just fine in seasons 1&2. He was best in season 1, I think.
The episodes where Barney gets on my nerves:
OPIE FLUNKS ARITHMETIC
Seriously, Opie's NOT his kid, and Andy and Helen would've helped him with his math.
A WIFE FOR ANDY
What is Barney's obsession with Andy getting married? Plus, the way he acted when Helen said she didn't plan on quitting her job if she got married. Andy didn't even care. Why should he?
THREE'S A CROWD
This is a season 2 episode, but he was still pretty annoying in this episode.
THE CASE OF THE PUNCH IN THE NOSE
How he got that feud started all over again.
CITIZEN'S ARREST
He's just childish throughout this whole episode!
Are there any others? Like I said, I loved Barney most of the time and found him hilarious, but these episodes he was just ridiculous!