The conclusion of "The Flash: Season 3 Episode" 7 titled, "Killer Frost" saw the identity of villain Dr. Alchemy revealed and it is none other than Julian Albert who is played by Tom Felton. Towards the end of the episode, Savitar, the God of Speed, demands that Julian becomes his servant again which prompted Julian to get the Dr. Alchemy mask from his lab where it is placed inside a locked cabinet.
Kevin Smith of returns to direct this episode of the Flash after directing one episode in Season 2. He is best known for directing movies such as Clerks. Chasing Amy, Dogma and Jay and Silent Bob Strike Back.
In the episode, the Flash and the rest of the team had to deal with Caitlin's transformation into Killer Frost. When Caitlin uses her powers to save The Flash from Savitar, she ended up transforming into Killer Frost. She ended up doing a number of evil things like stabbing the Flash in the leg, threatening a number of people and kidnapping Julian from the CCPD. The team eventually manages to capture Killer Frost and put her in a meta holding cell where Caitlin ends up transforming back to normal.
The Flash shows how much he cares about Caitlin by convincing Julian to forget who it was who kidnapped him but Flash must quit the CCPD in return. Wally also breaks free from the cocoon where he was trapped in for the majority of the episode and he shows how happy he was in regaining his powers.
The Flash is shown every Mondays, 8PM on the CW Network. The Flash is played by Grant Gustin while Caitlin Snow is played by Danielle Panabaker. This is the last episode before next week's crossover series with Supergirl, The Green Arrow and Legends of Tomorrow where the heroes unite to deal with an alien invasion.
