"...Yet another example is the common practice of writing 「見る」 as 「観る」 when it applies to watching a show such as a movie." - Although I don't think you'll be wrong in writing 見る when referring to a show/film, it just seems that 観る(みる) is instead preferred over 見る in this context.
http://www.guidetojapanese.or
http://www.guidetojapanese.org/learn/grammar/kanji
"...Yet another example is the common practice of writing 「見る」 as 「観る」 when it applies to watching a show such as a movie." - Although I don't think you'll be wrong in writing 見る when referring to a show/film, it just seems that 観る(みる) is instead preferred over 見る in this context.