Pikachu's Adventures

Ongoing anime spinoff to the Pokémon anime airing since January 1, 1999. Each episode focuses on Pikachu and every Pokémon to date in a major role each episode (even Porygon and its evolutions).
Pikachu's A Ladies' Man: As shown multiple times throughout the show, female Pokémon are easily attracted by Pikachu alone. The examples are:
Kanto Season (1999-2000)
Episode 25: Female Pikachu 
Episode 29: Female Nidoran
Episode 35: Clefairy 
Episode 37: Vulpix
Episode 43: Oddish
Episode 48: Venonat
Episode 77: Ponyta
Episode 90: Shellder
Episode 116: Horsea
Episode 133: Eevee 
Episode 147: Dratini
Episode 151: Mew 
Johto Season (2002-2003)
Episode 162: Furret
Episode 166: Ledian
Episode 175: Togepi
Episode 180: Flaaffy 
Episode 182: A group of Bellossom 
Episode 189: Jumpluff 
Episode 200: Misdreavus 
Episode 209: Snubbull 
Episode 216: Teddiursa
Episode 222: Corsola
Episode 238: Smoochum 
Episode 251: Celebi 
Hoenn Season (2005-2006)
Episode 263: Zigzagoon
Episode 265: Wurmple
Episode 283: Spinda
Episode 290: Skitty
Episode 304: Milotic
Episode 312: Electrike
Episode 325: Azurill
Episode 328: Plusle
Episode 329: Minun 
Episode 330: Mawile
Episode 338: Roselia 
Episode 349: Clamperl
Episode 353: Shuppet
Episode 369: Kirlia
Episode 385: Jirachi
Sinnoh Season (2008-2009)
Episode 403: Shinx
Episode 415: Combee
Episode 421: Cherrim
Episode 427: Buneary
Episode 428: Lopunny
Episode 431: Glameow
Episode 440: Happiny
Episode 458: Mantyke
Episode 480: Uxie
Episode 481: Mesprit
Episode 482: Azelf
Episode 490: Manaphy
Episode 492: Shaymin
Unova Season (2011-2012)
Episode 494: Victini
Episode 506: Lillipup
Episode 509: Purrloin
Episode 517: Munna
Episode 541: Swadloon
Episode 547: Whimsicott
Episode 549: Lilligant
Episode 556: A group of Maractus
Episode 570: Zorua
Episode 573: Cinccino
Episode 575: Gothorita
Episode 585: Deerling
Episode 587: Emolga
Episode 592: Frillish
Episode 607: Litwick
Episode 613: Cubchoo
Episode 648: Meloetta
Kalos Season (2015-2016)
Episode 653: Fennekin
Episode 666: Vivillon
Episode 669: Flabebe
Episode 677: Espurr
Episode 678: Meowstic
Episode 684: Swirlix
Episode 700: Sylveon
Episode 708: Phantump
Episode 710: Pumpkaboo
Episode 714: Noibat
Episode 719: Diancie