Backyard Boffins
- Episode aired May 3, 2014
- TV-14
- 44m
Backyard Boffins: Backyard Genius! Featuring 'Burp Girl', the triple BMX backflip, homemade Air-raid siren, a propane tank submarine, and 'Centrifury' the ultimate G-force game!Backyard Boffins: Backyard Genius! Featuring 'Burp Girl', the triple BMX backflip, homemade Air-raid siren, a propane tank submarine, and 'Centrifury' the ultimate G-force game!Backyard Boffins: Backyard Genius! Featuring 'Burp Girl', the triple BMX backflip, homemade Air-raid siren, a propane tank submarine, and 'Centrifury' the ultimate G-force game!