Do you mean “like” as “I think it’s actually a good movie” or “like” as “I think it’s so bad that it’s good” ?
Movies I really like :
Star Trek : The Motion Picture is my favourite Trek movie.
Movies belonging to the “So bad it’s good” category :
Star Trek 5
The Christmas Tree : http://www.imdb.com/title/tt1651146/
The Room
The Star Wars Holiday Special