Pointless Celebrities: BBC One, 7pm
The start of a new run of celebrity specials of the daytime quiz show fronted by Alexander Armstrong and Richard Osman. This week, it's a 1970s special complete with comedy Village People moustaches. There's a round on pop music, which should suit Roy Wood and Rick Wakeman. The other teams involved are actors Paul Henry and Madeline Smith, DJ Edward Stewart and Sally James (of Tiswas fame), and Sally Thomsett and Anna Karen.
Britain's Got Talent: ITV, 7.15pm
ITV's biggest talent show is back with its great variety of singers, dancers, gymnasts, comedians and performing dogs. From the sublime to the ridiculous, the audition rounds have it all. Ant and Dec present, claiming about Simon Cowell that "if anything, parenthood has made him grumpier". The media mogul presides over the judging panel, alongside Amanda Holden, Alesha Dixon and David Walliams.
With the introduction of the Golden Buzzer, which can put someone through to the live semi-finals regardless of the other judges' opinions, there's even more opportunity for the eccentrics. The chance to perform at the Royal Variety Performance and win a £250,000 cash prize awaits the winner. Britain's Got More Talent follows on ITV2. See the judges interviewed by Digital Spy here.
True Detective: Sky Atlantic, 9pm
What to Read Next
The HBO drama has been building, and finally all the threads are pulled together in the first season's dramatic finale. Rust and Marty are on the brink of solving the case that has been hanging over them for nearly 20 years, and came back to haunt them.
As they uncover a conspiracy involving missing children across the Louisiana coastline, they understand that the strange case of the satanic sacrifice was merely the beginning. After the reveal of the scarred, green-eared figure of Rust's nightmares at the end of the last episode, will the duo find him?
The Guess List: BBC One, 9.30pm
Rob Brydon launches a new Saturday night gameshow where contestants compete to win prizes tailored to them, with the help of an all-star celebrity panel. The first week sees Brydon's Gavin and Stacey co-star James Corden, along with Emilia Fox, Jennifer Saunders, Louis Smith and Simon Callow offering their advice to the public competitors.
Smith teaches host Brydon how to tango and Corden and Smith duet amidst the questions, which generally take a secondary role to the stunts.
