The picture above was made by me.
The Sarah Jane Adventures Secrets of the Stars part one and Secrets of the Stars part two both air today on BBC One and CBBC. Below is today's Sarah Jane Adventures schedule;

Secrets of the Stars Part One - 4.35pm - BBC One
Secrets of the Stars Part Two - 5.15pm - CBBC

For those of you who don't have CBBC you will be able to watch part two of Secrets of the Stars next week on BBC One whilst CBBC viewers will see part one of the Secrets of the Stars. Not only will Secrets of the Stars be shown today, but The Last Sontaran and The Day of the Clown will be repeated from 10am this morning on CBBC.