If you could only watch five stories for the rest of your life?

Remembrance
Fenric
Time and the Rani
Delta
Underwater Menace (Loose Canon recon used in place of the missing episodes)

Genesis of the Daleks
Destiny of the Daleks
Earthshock
Revelation of the Daleks
Remembrance of the Daleks

Fury From The Deep
Inferno
The Romans
Revelation of the Daleks
The Curse of Fenric

Terror of the Autons.
Power of the Daleks.
Terror of the Zygons.
Caves of Androzani.
Revelation of the Daleks.

Invasion
Seeds
Talons
Shada
Fenric

The Invasion and Seeds would definitely make a top 10.

The Web Of Fear
Spearhead From Space
Robots Of Death
Earthshock
Remembrance Of The Daleks

The War Games
Inferno
The Deadly Assassin
The Caves of Androzani
The Curse of Fenric

Other contenders would have been The Daleks, Power of the Daleks, The Web of Fear, The Invasion, Spearhead, The Silurians, Terror of the Autons, The Daemons, Terror of the Zygons, Brain of Morbius, Seeds of Doom, The Robots of Death, The Talons of Weng-Chiang, City of Death, Shada, Warrior’s Gate, Enlightenment, Attack of the Cybermen, Revelation (just missed out) and Remembrance.

I like too much of TruWho. It was very difficult to pin down.

1. The Caves of Androzani
2. The Curse of Fenric
3. Remembrance of the Daleks
4. Inferno
5. The Deadly Assassin

Daleks Masterplan
The War Games
The Invasion

What other long ones are there?

Nah, serious answer:

Genesis of the Daleks
Pyramids of Mars
Planet of the Spiders
The Silurians
Seeds of Doom