dialogue

I’m not a couch potato, but I do follow a few of dramas and animes. Here are some of my favourites: family guy, shameless us, gintama and shirokuma cafe. I find the dialogue in shameless is somehow difficult to follow. It is not only fast, but also include lots of vernaculars which I can barely get from real life.

Okay, firstly you have done a great job! I can understand what you are saying so some of my corrections are not detremental but can help to 'improve' the piece.

1. When you make a list use the semi-colon ; if you are confussed about when to use the semi-colon check out this website: http://www.bristol.ac.uk/arts/exercises/grammar/grammar_tutorial/page_05.htm

2. All names of films need a capital letter because it's a name/title so 'Family Guy, Shameless US, Gintama and Shirokuma Cafe.' 

3. 'Shameless is somehow difficult to follow...' somehow means 'for a reason that is not known or specified' but you later say WHY it is difficult to follow 'it is fast...' so in this case you cannot use the word 'somehow' 

4. 'It is not only fast but...' Instead it would be better to say 'Not only is it fast but....'

5. 'include lots of vernaculars which I can barely get from real life.' You can say instead 'it also includes the vernacular which I find difficult to use in daily life.'

Here is how Ｉ might write it－

I’m not a couch potato but I do follow a few dramas and animes. Here are some of my favourites; Family Guy, Shameless (U.S. Series), Gintama and Shirokuma Cafe. I find the dialogue in Shameless is somewhat difficult to follow. Not only is it fast but it also includes the vernacular which I find difficult   to use in my daily life. 

加油！你写不错！