| Episode Number and Title | Children of this Episode | Parent |
|---|---|---|
| View Tree - 3718 : "Astra? Haven't I Heard That Name Before Somewhere?" | 19689, 19690, 19691 | 1249 |
| Episode Number and Title | Children of this Episode | Parent |
|---|---|---|
| View Tree - 19691 : Is there a Doctor in the House? | 19696, 19697 | 3718 |
| Episode Number and Title | Children of this Episode | Parent |
|---|---|---|
| View Tree - 19696 : A Deal? | 19814, 19815, 19816 | 19691 |