What’s on television this weekend?
Friday, April 22
Flying Scotsman with Robson Green (STV, 9pm)
Back in February, the legendary locomotive 60103 Flying Scotsman, came back into service following a painstaking decade-long £4.2 million overhaul. Geordie actor Robson Green spends a year working with the team of engineers who were commissioned to rebuild the most famous steam engine in the world.
Saturday, April 23
Michael McIntyre’s Big Show (BBC One, 7.15pm)
In episode two of Michael’s brand new entertainment show there’s music from Bryan Adams and Jess Glynne, and comedy from the inimitable Josh Widdicombe. Dazzling duo Chilly and Fly risk life and limb with an outstanding acrobatic performance.
Sunday, April 24
Undercover (BBC One, 9pm)
Terrified that Maya might be close to discovering his secret, Nick controls the situation with a devastating lie. Taking solace in work, Maya continues to search for the witness. What had she missed all those years ago?
Far from shining a light on the case, her investigation leads to a shocking fact that forces her personal and professional life to collide.