Doctor Who "Journey's End" versus Star Wars

I enjoy both Doctor Who and Star Wars, and do not wish to incur fanboy wrath from either franchise, but I noticed the following similarities which I thought were amusing. (And, yes, I know that Doctor Who (though not this particular episode) predates Star Wars):








The Crucible, with a close-up on the reality bomb firing sequence












The Death Star, with a close-up on the firing sequence












Davros versus Palpatine








Davros/Emperor lightning attack












R4-E1 versus Supreme Dalek