Uploaded February 2016 | Updated September 2026, 2 weeks ago

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Subscribe to the Podcast: goo.gl/CemLaj
Grey: youtube.com/user/cgpgrey
Brady: youtube.com/user/numberphile

Discussion: reddit.com/r/CGPGrey

Grey & Brady discuss: teacher recruiting part 1, clarifications on Dulles, airline safety videos, the meaning of 'hard as nails', vexillology and New Zealand's 40 possible flags, the return of the bi-weekly weigh in, most livable cities, *Hello Internet* goes supersonic, plane crash corner, and tipping in America.

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Igloo: An intranet you'll actually like.: igloosoftware.com/hello

Listeners like YOU on Patreon.: patreon.com/hellointernet


## Show Notes:

**Discuss this episode: reddit.com/r/CGPGrey/comments/3j391c/hi_46_superbowl_of_flags/**

Dulles A/B terminals vs C/D terminals: https://i.imgflip.com/pj0px.jpg

Grey gets first class: twitter.com/cgpgrey/status/633392638771732480 and Brady tries to tell him it's not worth it: twitter.com/BradyHaran/status/633393657635307524

United Airlines safety video: youtube.com/watch?v=WqAAQ0ZZMyw

Wilhelm scream: en.wikipedia.org/wiki/Wilhelm_scream

British Airways safety video: youtube.com/watch?v=pFqZcNAPbmQ

Dads use puns because they have nothing else: reddit.com/r/Jokes/comments/25x850/the_new_father/chlq6ko?context=1

Dads use puns because they've given up on life: reddit.com/r/CGPGrey/comments/3hyq6o/hi_45_technobabble/cuce1fd

Brady puns on Objectivity: youtube.com/watch?v=T26Cw77Bco0&feature=youtu.be&t=3m9s

Weak Brady can't open a lock: youtube.com/watch?v=NHDGm-nmyqw

Chicago's flag: en.wikipedia.org/wiki/Flag_of_Chicago

Betsy Ross flag: en.wikipedia.org/wiki/Betsy_Ross_flag

US time zones: en.wikipedia.org/wiki/Time_in_the_United_States

Union Jack: en.wikipedia.org/wiki/Union_Jack

1606 variant: goo.gl/zyFZ2i

New Zealand's 40 Possible Flags: govt.nz/browse/engaging-with-government/the-nz-flag-your-chance-to-decide/gallery

Silver Fern: govt.nz/browse/engaging-with-government/the-nz-flag-your-chance-to-decide/gallery/design/3192

Pikopiko: govt.nz/browse/engaging-with-government/the-nz-flag-your-chance-to-decide/gallery/design/5641

Southern Cross Horizon: govt.nz/browse/engaging-with-government/the-nz-flag-your-chance-to-decide/gallery/design/27819

Seven Stars: govt.nz/browse/engaging-with-government/the-nz-flag-your-chance-to-decide/gallery/design/27735

Black Jack: govt.nz/browse/engaging-with-government/the-nz-flag-your-chance-to-decide/gallery/design/1165

Eating Blue Bunny Peanut Butter Panic with Lucy while we watch people starve to death on TV for our entertainment: static1.squarespace.com/static/52d66949e4b0a8cec3bcdd46/t/55e42f3ae4b031b2b6387d1a/1441017696310/?format=1500w

Most livable cities: economist.com/blogs/graphicdetail/2015/08/daily-chart-5

Supersonic Hello Internet: static1.squarespace.com/static/52d66949e4b0a8cec3bcdd46/t/55e42fd0e4b0fe8647d3d39f/1441017809631/IMG_4212.jpg?format=1500w

Shoreham air crash: bbc.co.uk/news/uk-34039229

MH370: en.wikipedia.org/wiki/Malaysia_Airlines_Flight_370

Flaperon: en.wikipedia.org/wiki/Flaperon

Volcano on Reunion: bbc.co.uk/news/world-europe-33746275