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![](https://image.tmdb.org/t/p/w342/b8hftDjIoVBiGP2gaBxjAU6GHdz.jpg)
Episode 4
The gang run a fine-tooth comb through the dizzying world of dog grooming, Jon weighs up the merits of HDR TV and Ortis checks out some unreal hologram tech.
![](https://image.tmdb.org/t/p/w300/jo7t8sd5efrcLQF5B2WTZYHLd3A.jpg)
![](https://image.tmdb.org/t/p/w300/GQXJrXpjlaFTtZ593sxARGSLEm.jpg)
![](https://image.tmdb.org/t/p/w300/3vB6O0YcppD9FrlHWBMPHFjE0F2.jpg)
![](https://image.tmdb.org/t/p/w300/snrOnotvdUPXuSQQ4UeJeUhggMs.jpg)
Other episodes for this season
![Best Gadgets Ever](https://image.tmdb.org/t/p/w300/jo7t8sd5efrcLQF5B2WTZYHLd3A.jpg)
![Episode 2](https://image.tmdb.org/t/p/w300/jo7t8sd5efrcLQF5B2WTZYHLd3A.jpg)
![Episode 3](https://image.tmdb.org/t/p/w300/jo7t8sd5efrcLQF5B2WTZYHLd3A.jpg)
![Episode 4](https://image.tmdb.org/t/p/w300/jo7t8sd5efrcLQF5B2WTZYHLd3A.jpg)
![Episode 5](https://image.tmdb.org/t/p/w300/jo7t8sd5efrcLQF5B2WTZYHLd3A.jpg)
![Episode 6](https://image.tmdb.org/t/p/w300/jo7t8sd5efrcLQF5B2WTZYHLd3A.jpg)
![Episode 7](https://image.tmdb.org/t/p/w300/jo7t8sd5efrcLQF5B2WTZYHLd3A.jpg)
![Episode 8](https://image.tmdb.org/t/p/w300/jo7t8sd5efrcLQF5B2WTZYHLd3A.jpg)
![Episode 9](https://image.tmdb.org/t/p/w300/jo7t8sd5efrcLQF5B2WTZYHLd3A.jpg)
![Episode 10](https://image.tmdb.org/t/p/w300/jo7t8sd5efrcLQF5B2WTZYHLd3A.jpg)
![Episode 11](https://image.tmdb.org/t/p/w300/jo7t8sd5efrcLQF5B2WTZYHLd3A.jpg)
![Episode 12](https://image.tmdb.org/t/p/w300/jo7t8sd5efrcLQF5B2WTZYHLd3A.jpg)
The gang run a fine-tooth comb through the dizzying world of dog grooming, Jon weighs up the merits of HDR TV and Ortis checks out some unreal hologram tech.