Song Help Request Any help with this Bob's Burgers strumming pattern would be MUCH appreciated!

I cannot for the life of me get this strumming pattern to sound correct. I play it like how the tab shows, but it sounds so different from the video. Any suggestions on how to make this sound right?

http://ukulelehunt.com/2012/10/25/bobs-burgers-theme-tab/

check out this tutorial. he has the same chords, but different strum pattern. https://www.youtube.com/watch?v=3PZn0U7JaqE