The Edge of Destruction: | ||
 | ep 1 – | In the opening shots of the unconscious crew, a shadow can be seen moving behind Susan. |
 | ep 1 – | You can see the studio floor in the "white void" outside the TARDIS door in early shots. |
| ep 2 – | A very prominent boom mike shadow lingers over the console as Susan explains what would happen if the central column were to come out. |
| ep 2 – | After the Doctor says "You knocked Susan and I unconscious", if you look behind them, you can see the edge of the set and a studio light. |
| ep 2 – | During Hartnell's big speech about the creation of a solar system, a cough can be heard from off-stage. |