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After a bad start, this series of Flight of the Conchords has improved greatly
Last night's was very good with the minor characters all getting more screen time helping move it along and there being a nice central premise. The songs have a different feel this series (more blatant pastiches than funny anecdotes) but I'm starting to like it a lot more.
I struggle to see where a third series could develop from, unless say the dynamic changes and one of the band gets successful in a side project or starts being good around women, but at least this hasn't ended up being the damp squib the first 2 episodes hinted at.
Bonus points for last night's karaoke themed tune go out to the writers.