Current favorite individual moments:

"From scratch" as Watney tries to build survivable conditions

"The sky calls to us" - Tom Hanks :,( knowing what is coming

Murph's chalkboard on "elegant truths"

The timing of Krantz's touching of the X marks

Use of the giant "Hope" poster, because it's not just hope for Watney, it's our hope for what we can do and learn when we get off our planet

Europa crew looking so deeply joyous at discovering new things

Those last few clips ♥