"यह वही फिल्म है जिसे तुम देखना चाहते थे" (This is the same movie that you wanted to watch). Which type of pronoun is used in this sentence?

In the sentence, "यह वही... जिसे" establishes a relationship between two clauses. Pronouns that establish a connection between two clauses or entities are called 'Sambandh Vachak Sarvanam' (Relative Pronouns). Therefore, option A is correct.