For 1: greet your friend, write the name of the series, what channel it is on, what time and when you can watch it, what the series is about (Dear ..., My favorite TV series ... It's on ... . It's a great series ... It's about ...) now 2: comment on storylines, cast, music, etc. (The storylines are ... and the acting ...) now 3: your feelings, closing remarks (It's the best Well, I have to go now. Write back ...)