He also runs a YouTube channel about Japan stuff called TheDoctorDazza, tweets at @DoctorDazza, and posts photos of his travels on Instagram.
You can see the ending theme video attached to each of the rest of the SPY x FAMILY episodes right here on Crunchyroll on Saturdays at 8:30 am PT.
The TOHO Animation YouTube channel released a creditless version of the ending shortly after the third episode aired, to let us all watch it as we please.
星野源「喜劇」:『SPY×FAMILY』エンディング主題歌 アニメ映像(ノンクレジット)/“SPY × FAMILY” Ending theme song animation