- Oops!Something went wrong.Please try again later.
Celebrity genealogy show Who Do You Think You Are? follows footballer and TV presenter Alex Scott's story tonight on BBC One.
Seasonal nature tracking show Autumnwatch is back at BBC Two, celebrating the wonderful colours of autumn and inviting viewers to share their own gardens.
Read more: The best TV to watch this autumn
Continuing with episode two on BBC Two is Impeachment - American Crime Story, which dramatises the fascinating Monica Lewinsky and Bill Clinton affair and the events leading up to it.
Drama also continues at ITV, where Ann Cleeves adaptation The Long Call is airing across the week, while Great British Bake Off series favourite pastry week comes to Channel 4.
The best things to watch on TV on Tuesday, 26 October
Who Do You Think You Are? - BBC One - 9pm
The latest family tree to be investigated belongs to footballer and TV presenter Alex Scott, who makes some fascinating discoveries about her ancestors.
She learns about her Jewish relatives on her mother's side for the first time and then makes her first ever trip to Jamaica to find out more about her father's side of the family who were part of the Windrush generation.
Autumnwatch - BBC Two - 8pm
The popular nature show returns for a new season, with Chris Packham and Michaela Strachan in Norfolk for the Snettisham Spectacular, a highlight in the birding calendar.
Meanwhile, Gillian Burke is in Northern Ireland to explore the world of mole cache worms.
Impeachment - American Crime Story - BBC Two - 9pm
The true story of Bill Clinton's impeachment has reached the 1996 presidential election, with Monica Lewinsky banished to the Pentagon press office but sure she will be brought back into the White House after a win.
Linda Tripp (played by Sarah Paulson) realises Lewinsky's anonymous boyfriend is part of the administration, but has no idea yet of the explosive secret that he is actually Clinton.
The Long Call - ITV - 9pm
Ann Cleeves' latest TV adaptation continues across the week, with the second episode seeing DI Matthew Venn search for more clues about the murder victim.
However, the plot thickens when the victim's links with the Brethren community, which he left behind when he came out as a teen, come to light.
The Great British Bake Off - Channel 4 - 8pm
The ever-popular pastry week is back for another year, providing some mouthwatering sweet and savoury creations.
We're now into the second half of the contest with some of the strongest bakers we've ever seen - who will survive into week seven?
Watch: Josh Widdicombe learns he is a descendant of King Edward I