I’ve added captures of Sebastian from the special features included on the official DVD of The Martian. You can check those out in the gallery now.
The Martian (2015) > DVD Extras > Ares Archive
The Martian (2015) > DVD Extras > Ares Live
The Martian (2015) > DVD Extras > Gag Reel
The Martian (2015) > DVD Extras > Occupy Mars
The Martian (2015) > DVD Extras > Ares Live
The Martian (2015) > DVD Extras > Gag Reel
The Martian (2015) > DVD Extras > Occupy Mars