Question

Fill in the blanks with suitable pronouns:
I really like watching old shows. _________ are some of the best things on TV.a. Thoseb. Thatc. Thisd. These

Answer 1

I am not sure but I think a.those

Answer 2

The right option is a. Those.  

The sentence will be “I really like watching old shows.

Those are some of the best things on TV.  

It is demonstrative pronoun and it can be either near or far in distance or time. The one far in time or distance is that and those.