Teacher please help me with these sentences.

Hello teachers,

Could you please help me with these sentences and the grammar?

1 What episode are you on? (Is this how you ask a person what episode they are watching?)

2 He is in/on my squad.

3 I don't know what a size 7 US equals in european size.

4 80 degrees feirenhiet is the hightest it will get today.

5 This breacelet means nothing to me. I doesn't have sentimental value. (can you use "mean" this way?)

6 She's pretty for him/ compared to him.

Thank you so much