When Two Worlds Collide - S5-E3
Continuity mistake: Gary has to feel around in mid air for the portal as the wall has just been bombed. But when he reaches through, later, his arm comes out of the wall which has somehow returned.

| All season 1 mistakes | Mistakes | |
|---|---|---|
| Show generally | 1 | |
| 1 | Rites of Passage | 1 |
| 2 | Fools Rush In | 0 |
| 3 | Is Your Journey Really Necessary? | 0 |
| 4 | The More I See You | 0 |
| 5 | I Get Along Without You Very Well | 0 |
| 6 | In the Mood | 0 |
When Two Worlds Collide - S5-E3
Continuity mistake: Gary has to feel around in mid air for the portal as the wall has just been bombed. But when he reaches through, later, his arm comes out of the wall which has somehow returned.
Gary Sparrow: My wives exist in different temporal aspects of a four-dimensional space-time continuum.
Ron Wheatcroft: Typical bigamist's excuse.