10, 11, 12

10, 11, 12 is the fifth unmarked episode in the Richard 10 franchise.

Plot
The tenth, eleventh, and twelveth incarnations of PhDoctor team up to defeat Time Lapse and Eon.

Characters

 * Richard (present)
 * Richard (past, two versions)

Villains

 * Time Lapse
 * Eon

Present Richard

 * PhDoctor (twelveth incarnation)

Past Richard

 * PhDoctor (eleventh incarnation)
 * PhDoctor (tenth incarnation)