Hello, burn 7 MKV files of anime episodes on one 4.7gb dvd with a very customiseable nice dvd menu, you can follow me to use RZ DVD Creator, it can fit your demand, it provide many dvd menu creation options for customize the nice dvd menu, you can easy to customize "play all", "title/episode selection", "chapter/scene selection" screens and buttons on dvd menu, can customize dvd menu background video, picture, music, text, etc, with it you can easy to personalize a nice DVD menu, and it can fit/burn multiple video files on one dvd, it can auto fit the szie ,and it can convert any video files with customized dvd menu to video dvd and burn to any dvd disc(DVD+R, DVD-R, DVD-RW, DVD+RW, DVD-R DL, DVD+R DL, etc), such as convert and burn your 7 MKV files of anime episodes with the customized dvd menu onto a video dvd, easy to use , just run RZ DVD Creator, insert a 4.7gb dvd disc into your dvd burner drive, directly drag and drop all 7 MKV files of anime episodes into the software, if you view a message tip "Source DVD size is larger than CD/DVD disc capacity", simply press "Yes", then press MENU button to customize the dvd menu and enable the dvd menu, at last press "START" button, the software will convert all 7 MKV episodes to a video DVD with the customized dvd menu and burn onto the inserted 4.7gb dvd disc, and the burned video dvd can be played well on dvd player with the customized dvd menu. You can yahoo or google search and download RZ DVD Creator, hope it could help you.