Continuity mistake: Heyes and Curry walk into the saloon covered with trail dust from head to toe. But when they leave, Heyes' hat is spotless. (00:06:10 - 00:08:30)
Visible crew/equipment: When Heyes and Curry leave the saloon and walk across the street, a microphone mounted on the camera rigging pops up into the shot at the bottom of the frame and follows along beside them. (This is visible in the US aired and vhs versions, but was edited out of both the BBC version and the recent dvd release.) (00:14:00)
Alias Smith and Jones (90 min.) - S1-E1
Continuity mistake: Heyes and Curry ride out of town wearing shirts and vests. Both turn to look behind them when they hear the posse coming. As they spur their horses into a gallop, they're suddenly wearing heavy coats. (01:12:50)
Continuity mistake: While he's working to open the safe, Heyes is wearing his coat. Then he isn't. Then he is again. (00:19:20 - 00:20:30)
Wrong Train to Brimstone - S1-E4
Continuity mistake: Heyes and Curry enter the train depot at 8 pm. It's dark outside. When they come back to the platform, it's daylight. When the train leaves, it's dark again. Midway through its 60-mile journey, there's another shot of the train in daylight, followed again by more night shots. (00:07:30)
Never Trust an Honest Man - S1-E14
Continuity mistake: The part in Mr. Harlingen's hair changes sides several times while he's examining the jewels with his son. (00:25:00)
Alias Smith and Jones (90 min.) - S1-E1
Continuity mistake: When Miss Porter enters the office, the coffee mug on Lom's desk jumps from the blotter onto the wood surface between shots, even though no one touches it. It also reverses its orientation: the handle switches from pointing left to pointing right. (00:18:50)
Alias Smith and Jones (90 min.) - S1-E1
Continuity mistake: Harker confiscates firearms from five Devil's Hole members who are playing poker in the saloon. The sixth member is down in the tunnel, and didn't turn over his gun. Yet when the outlaws go to collect their weapons, six are given back their side-arms. (00:49:00 - 00:55:50)
Journey from San Juan - S1-E13
Continuity mistake: Curry kisses Michelle outside her hotel room. When the camera angle is on him, his right hand is on her shoulder. When it switches to her, his hand is instantly down at her waist. (00:15:10)
Wrong Train to Brimstone - S1-E4
Continuity mistake: While Heyes and Curry are guarding the gold shipment, Heyes' hat keeps changing positions on his head between takes. First it's down over his hairline, then it's pushed back, etc. (00:26:50)
Plot hole: Early in the episode, the sheriff starts going through his pile of wanted posters. According to the story line, 18 days then pass. At the end, the sheriff, standing in the exact same position and wearing the same clothes, is just finishing his search through the posters.
Alias Smith and Jones (90 min.) - S1-E1
Factual error: Kyle strikes a match on the wooden floor to light the dynamite's fuse. In the early 1880s (the era in which this series is set), a portable flint-and-tinder kit was the common method of sparking a light. While "strike anywhere" matches had been invented by this time and were quite the rage in Europe (despite an alarming tendency to explode due to the volatile chemicals used), they were an unknown commodity on the American frontier until well after the turn of the century. (00:03:00)
Continuity mistake: In his showdown match with McCreedy, Heyes deals out five cards in each row on the table. But in the next shot, there are six cards in each row. (00:31:30)
Alias Smith and Jones (90 min.) - S1-E1
Continuity mistake: The Devil's Hole Gang is referred to as "seven sorry lives of crime." But there are only six of them. (00:44:10)
Alias Smith and Jones (90 min.) - S1-E1
Revealing mistake: The electric light bulb in Lom Trevors' lamp is visible. In one shot, you can even see the filament wires. (00:18:15)
Alias Smith and Jones (90 min.) - S1-E1
Factual error: The telegram delivered to the sheriff's office is in an envelope with a machine-cut, transparent cellophane address window. This type of envelope wasn't manufactured until well into the 20th Century. (00:58:15)
Revealing mistake: At Armandariz's hacienda, a power cord is peeking out from behind the large chest against the wall in the main room. (00:18:00)
Continuity mistake: Grace says she's going to Laredo. But when the stagecoach reaches its destination and she gets out, the driver says they're in El Paso. (00:41:20 - 00:43:00)
Wrong Train to Brimstone - S1-E4
Factual error: When the train is fully boarded, the conductor waves a lamp to signal the engineer. It's supposed to be 8 pm at night, but it's suspiciously sunny on the platform - and the signal lamp is noticeably not lit. (00:08:45)
Alias Smith and Jones (90 min.) - S1-E1
Continuity mistake: When Harker rouses a sleepy Heyes and drags him to the saloon, Heyes' hair is falling over his forehead. The shot cuts, and his hair is combed back. Then he steps through the curtain to talk to Wheat, and the hair is over his forehead again. (00:46:50 - 00:47:30)