You require the Flash player to watch Hulu movies online and the iPad won’t support Flash. That however doesn’t mean that Hulu won’t be available on the iPad.
AllThingD says that Hulu may be coming to the iPad though as a premium service (you can currently access videos on hulu.com for free).
Hulu and its owners, three of the big broadcast TV networks, want to bring some version of the Web video service to Apple’s device. But the most likely scenario is one in which access to Hulu on the iPad comes as part of a subscription package, multiple people familiar with the company tell me.
Hulu has been free for Web users since it launched in 2008. But its broadcast owners–GE’s (GE) NBC Universal, News Corp.’s (NWS) Fox and Disney’s (DIS) ABC–have repeatedly said they want to introduce some sort of premium version. link.