Pokemon Advanced Generation (anime):

Japanese Openings/Endings clips:

Right click and select "Save Target As" to download this clip. Opening
 (Song: "Advance Adventure")
 [4.71 MB]

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 Ending
 (Song: "Sokoni Soraga Arukara")
 [4.34 MB]


 

Episode clips (from Episode 1)

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 Satoshi calls Prof. Odamaki for help
 (Episode 1)
 [4.70 MB]
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 Prof. Odamaki asks Haruka for help
 (Episode 1)
 [3.15 MB]

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 Team Rocket accidentally cures Pikachu
 (Episode 1)
 [4.38 MB]

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 Haruka chooses her first pokemon
 (Episode 1)
 [2.26 MB]

Thanks to AIA (Anime Intro Archive) for all these clips!

The GBA games

You can find them in this web site