Mario & Luigi: Partners in Time is a role-playing video game developed by AlphaDream and published by Nintendo for the Nintendo DS in 2005.
The game follows Mario, Luigi, Baby Mario and Baby Luigi as they travel through time in order to rescue Princess Peach from the Shroobs.
This improves the previous run by 1:27:58.28 thanks to a a few major glitches such as entering the Shroob Castle early.
There is also an alternate YouTube stream featuring audio commentary by the author.