Okay, I cannot believe I am doing this. DCTV Marathon Ideas!

[Nanatsu no Ko]

Pinecone marathon:  Episodes featuring Shiratori!!

XD

How about an old friends of Kogoro Marathon.

[dreamgirl]

"Double Date" Marathon-namely Shinici/Conan, Ran, Heiji and Kazuha
School Marathon-Conan's elementary school and TeiTan High school
Tomoaki Araide Marathon-apparently he's quite important in some eps

[kkslider5552000]

"Tomoaki Araide Marathon-apparently he's quite important in some eps

really? How so? 

[Jing]

Oh I could do this all day...

"Serious" cases marathon
34-35
77-78
128
174 (Special)
184 (Special)
222-224
304
307-311
323-324
385-387

Yuusaku / Yukiko marathon
43
96
144-145
286-288
333-334
335-336
472-473
490

[haibarakudo]

Haibara Marathon:

Episode 129: The Girl from the Black Organisation
Episode 130-131: The Stadium Indiscriminate Threatening Case
Episode 136-137: The Old Blue Castle Investigation Case
Episode 188,189,190,191,192: The Desperate Revival ~
Episode 194: The Significant Music Box
Episode 212-213: Mushrooms, Bears and the Detective Boys
Episode 279-280: The Hooligan in the Labyrinth
Episode 289-290: Mitsuhiko in a Forest of Indecision
Episode 311: Contact with the Black Organisation: Desperation Chapter
Episode 312-313: Festival Dolls Dyed in the Setting Sun
Episode 329-330: A Friendship That Can't Be Bought with Money
Episode 335-336: Secret of the Touto Film Developer*
Episode 339: Four Porsches
Episode 343: The Convenience Store Trap
Episode 345: Head-to-Head Match with the Black Organization; Two Mysteries of the Night of the Full Moon (2 Hour Special)
Episode 346: Find the Buttocks' Mark!
Episode 358-359: Metropolitan Police Detective Love Story 5
Episode 365-367: The Tragedy of the Pier in Plain Sight
Episode 373: Poisonous Spider Trap
Episode 374-375: A Code of Stars and Tobacco
Episode 376: Time Limit: 15 Hours
Episode 401-402: Red- Handed Jewel Robber
Episode 411-412: The Shinto Shrine Torii's Surprising Code
Episode 421-422: Ginko- Coloured First Love
Episode 425: Black Impact! The Moment the Black Organisation Reaches Out! (2.5 Hour Special)
Episode 435-436: Information Gathered About the Detective Boys
Episode 444: Shell Gathering and a Sigh
Episode 453: Private Showing of Fate and Friendship
Episode 460: Class 1-B's Great Operation!
Episode 467: Snowman that Cannot Be Smashed
Episode 472: Shinichi Kudo's Childhood Adventure
Episode 484-485: Whereabouts of the Dark Photograph
Episode 486 Manekineko from the Right to the Left
Episode 501: Clash of Red and Black! ~ Suspicion
Episode 507: The Blind Spot in the Karaoke Box
Episode 510: Red, White. Yellow & the Detective Boys
Episode 522: Shin'ichi's True Colours and Ran's Tears

Movie 3,4,5,6,9,10,11,12

Theres more....but I just can't be bothered

[ccppfan]

Pink marathon:  Episodes where Conan wears pink.

Shinkansen marathon:  Episodes where Conan rides the bullet train.

Pinecone marathon:  Episodes featuring Shiratori!!

Pinecone?    Ahhh I get it! It's his HAIR!!! XDDD

How about

Ran almost finds out Marathon: episodes where Ran almost finds out about Shinichi.

Krisaki Eri Marathon: episodes featuring Eri. (heehee poor Kogoro XDD)

OVA Marathon: OVAs. All of them!!!! Even OVA 9!!!

Mai Kuraki theme songs Marathon: Play all of Mai Kuraki's theme songs for Conan on her birthday.  Let's celebrate!!!

That's all for now~~

[j_o_s_h_u_a_0_8]

sonoko and makoto moments marathon!

153-154
217-218
228-229
266-268
457-458

[kkslider5552000]

sonoko and makoto moments marathon!

153-154
217-218
228-229
266-268
457-458

I'm not sure which part of this accidently funny post I should address first.

[KaitoKid0]

Some more ideas:

Eri Kisaki Marathon
Ep. 32
Ep. 114-115 (well, we only have the HK subs, so maybe not)
Ep. 199-200
Ep. 333-334
Ep. 445 (well, ANFS, so maybe not)
Ep. 474
Ep. 505-506
Movie 2

Sato + Takagi Marathon
Well, basically all the Metropolitan Detective Love Story (1, 2, 3, 4, 5, 6, 7, fake wedding, 8 ) + 301-302 + 304 + 401-402

EDIT: Ok, how about we get a bit more creative

Murder by Hanging Marathon
Ep. 52
Ep. 98-99
Ep. 166-168
Ep. 331-332
Ep. 415-417
Ep. 491-494 (bascially just 492-494)
Movie 5

Main Character is Suspect Marathon
Ep. 199-200 (Kogoro)
Ep. 476-477 (Genta)
Ep. 501-504 (Camel)
Ep. 507-508 (Eisuke)
OVA2

you forgot the episode where shinichi was suspected