Ash returns to Kanto to take on the seven new challenges, collectively known as the Battle Frontier.

#	Title	Synopsis?	Pics?	Essential?	Comments?
423	Fear Factor Phony				3
424	Sweet Baby James				0
425	A Chip Off The Old Brock!				2
426	Wheel Of Frontier				1
427	May's Egg-cellent Adventure!				0
428	Weekend Warrior				0
429	An Olden Pond				0
430	Tactics Theatrics!				0
431	Reversing The Charges				0
432	Green Guardian				0
433	From Cradle to Save!				0
434	Time-Warp Heals All Wounds!				5
435	Queen Of The Serpentine!				0
436	Off The Unbeaten Path!				0
437	Harley Rides Again!				0
438	Odd Pokémon Out				1
439	Spontaneous Combusken				0
440	Cutting The Ties That Bind				0
441	Ka Boom With A View				0
442	King and Queen For A Day!				0
443	Curbing The Crimson Tide!				0
444	What I Did For Love				0
445	Three Jynx And A Baby!				0
446	Talking A Good Game!				1
447	Second Time's The Charm				0
448	Pokémon Ranger! Deoxys Crisis!				0
449	All That Glitters Is Not Golden!				0
450	New Plot - Odd Lot!				0
451	Going For Choke				0
452	The Ole' Berate and Switch				0
453	Grating Spaces				0
454	Battling The Enemy Within				0
455	Slaking Kong				0
456	May, We Harley Drew'd Ya!				0
457	Thinning The Hoard!				0
458	Channeling The Battle Zone				0
459	Aipom & Circumstance				0
460	Strategy Tomorrow - Comedy Tonight!				0
461	Duels of the Jungle				0
462	Overjoyed!				0
463	The Unbeatable Lightness Of Seeing!				0
464	Pinch Healing!				0
465	Gathering The Gang Of Four!				0
466	Pace - The Final Frontier!				4
467	Once More With Reeling				7
468	Home Is Where The Start Is				3