Episodeless entries - School Rumble: Extra Class (OVA)

We lack information on which episodes the following appear in:

1. New Term Excitement! To Be Near You Scramble! The Naked Truth!
Episodic: Kate Oxley (Mai Otsuka), Kent Williams (Hayato Tani), Lydia Mackay (Yoko Sasakura), Todd Haberkorn (Kentaro Nara)
Incidental: J. Michael Tatum (Boy Student), Jim Foronda (Teacher), Kevin M. Connolly (Boy Student), Mary Morgan (Girl Student)
2. Smile for Me! Let's Eat Mammoth! Can I Fall in Love?
Recurring: Carrie Savage (Karen Ichijo), Monica Rial (Lara Gonzalez)
Episodic: J. Michael Tatum (Hiroyoshi Asou), Jason Liebrecht (Harry MacKenzie, Was Burger Manager), Kevin M. Connolly (Shigeo Umezu), Laura Bailey (Tsumugi Yuuki), Leah Clark (Kosuke Ichijo), Robert McCollum (Ryuhei Suga), Ryan Pitts (Takeichi Fuyuki), Travis Willingham (Masakazu Togo)
Incidental: J. Michael Tatum (Radio Voice)