video game based on their television series
... that Dan Povenmire and Jeff "Swampy" Marsh had nearly no involvement in the video game based on their television series Phineas and Ferb?
... that <a href="./Dan_Povenmire" id="mwGg4" rel="mw:WikiLink" title="Dan Povenmire">Dan Povenmire</a> and <a href='./Jeff_"Swampy"_Marsh' id="mwGg8" rel="mw:WikiLink" title='Jeff "Swampy" Marsh'>Jeff "Swampy" Marsh</a> had nearly no involvement in the <b id="mwGhA"><a href="./Phineas_and_Ferb_(video_game)" id="mwGhE" rel="mw:WikiLink" title="Phineas and Ferb (video game)">video game based on their television series</a></b> <i id="mwGhI"><a href="./Phineas_and_Ferb" id="mwGhM" rel="mw:WikiLink" title="Phineas and Ferb">Phineas and Ferb</a></i>?