Better than I expected.

There's not as much charm from the Fourth Doctor, and it seems that Williams is trying to subdue him a bit more. However, he does get his chance to jest at the Nucleus and before long he's back to his old tricks once the thing gets out of his head. It was truly horrible to see the Doctor taken over so easily, and Leela was clearly estranged by this and felt extremely vulnerable. Of course, the Doctor ends the story on quite an amusing note, just blowing up the base as Leela kept suggesting throughout. Bit of a copout, but it made me laugh and I'm not too annoyed by it. I was a bit confused initially as to who was the clone and who wasn't - I thought the Leela clone was the one fighting because she got "killed", but then I found out it was the real one! What a shocker! One other thing I liked was Leela continuing her education into the TV series, as I was wondering whether it would be mentioned or not.

Okay, back to the Nucleus. The design is... garbage. Apart from that, it's quite creepy - infesting the entire crew, then the Doctor, then tries Leela, then goes for an entirely different crew AND K-9! This is one monster that shouldn't be messed with. Despite this, I don't get how a virus infected a robot? Bit weird, but okay. In the end, it has a bit of a bog standard plot and defeated a bit rubbishly after four episodes of set-up. Overall though, not too shabby.

Return to the normal console room! Considering I watched this a few minutes after I woke up at 6am (Thanks, school...), I didn't actually realise we'd gone back until about 5 minutes in! I actually like this console, it's very distinct, but I will miss the secondary room. The spacestation scenes are quite standard, and it was obvious where they'd put the hole in the wall for K-9 to destroy. The locations in the mind were quite unique and abstract and probably the first time we get a proper look into a Time Lord's biology. It was obvious where green screen had been used, but it's the late 70s, so I'll give it a break. Of course, this is done to pad the story quite a bit, with its slightly substandard plot, but it works!

While this is the first time I've seen this episode, I watched the original edition and compared it to the special edition. I'm amazed at how well the original model shots looked, but I'm glad they updated them for scientific accuracy.

Since basically everyone was taken over, I'll talk about two people - Marius and his best friend. Marius was a decent character, and was quite fun to watch as he bounced off the time travellers well. I think it would've been very creative to have Marius join the crew too, but I get why he didn't, as he didn't have much of a character, as did anyone. Okay, now for the big guy. Well, not big... or a guy- It's K-9! The famous robot dog takes 15 years to show up, but he's finally here. He does quite a bit to show off his standard as a companion, and warming up to Leela quite nicely - I can tell that the pair are going to be best friends. I thought it was quite rude for K-9 to just leave Marius like that - he created him - but Leela's insistence to adopt him was very amusing to watch and quite sweet.

I was worried that this season would be average, considering it's slapbang in the middle of Tom's tenure that there's nothing to distinguish it from other stories. So I was pleasantly surprised. It's obviously not the best episode of the show, but it's not the worst ever. I'll happily rewatch it in the future.

A silly premise with an interesting execution and some really fun visuals. Everyone likes to joke about the prawn monster, and justly so, but the brain set was really innovative. Leela got to show off her hunting and tracking skills quite a lot, which is always fun. She and the Doctor got a nice bit of banter throughout, as well. And of course, it's K-9 at his most effective in his introductory story. The resolution felt a little lackluster, but the first three episodes were quite solid!

I love all the Leela moments in this story however I can’t say I wasn’t bored by the main plot

This is just alright.  I found the story very mediocre, even if the idea of the main obstacle our heroes face is in the form of a virus. It sounds like a more interesting idea than what production was able to execute.  K9's introduction is fine but otherwise it is a very underwhelming experience, only halfway salvaged thanks to the charisma of Tom Baker and Louise Jameson.  In spite of it kind of being boring, the Doctor and Leela are entertaining enough on their own that The Invisible Enemy is still very watchable, even if it is just as easy to forget.

It's pretty interesting to learn that Baker and Jameson apparently didn't get along much on set.  You really can't tell thanks to the professionalism of these actors.  I found that aspect quite impressive overall because it does feel like those two have good chemistry together on screen.

I watched this one yesterday, and quite liked it. As a whole, this story is fast-paced, and I'm surprised Doctor Who's only ever done the 'shrink down and enter an individual' twice on-screen. The Nucleus's presence looks great on camera, even if the creature itself looks a bit silly. I did enjoy the feeling that you'd never know who was infected, but it could've been done a bit better. Overall, I enjoyed this story, and I'd love to see more from the Nucleus. Perhaps I'll have to write one.