Probably the first truly great Story in the Tennant Era for me.
Admittedly, the competitive nature with Rose and Sarah is a bit ridiculous, but besides that? Yeah, there is a lot to love seeing Lis Sladen in her iconic Role again is just absolutely lovely, she does give an amazing Performance, no wonder why we got SJA!
As somebody who really isn’t big on 10Rose, it’s great we explore some other sides about it, like in that scene where 10 says that humans die, he regenerates, great Scene!

In general this is such a comfort Story for me, it has definitely some major flaws (effects haven't aged so well, the competitive nature is getting a bit much after a certain point), but I really adore this one a lot!