Tina tries too hard to be a perfect mentor; Bob and Linda visit the gym next door.

Trixie helps a blind mother, Marion, care for her new baby, but trouble starts when Marion’s sister calls Social Services to intervene.

Villa Diodati, 1816 - on a night that inspired Mary Shelley's Frankenstein. The plan was to spend the evening in the presence of literary greats - but the ghosts are all too real. And the Doctor is forced into an earth-shattering decision.

When Brian accidentally becomes a local hero, an old street pal, and now a successful millionaire dog, reaches out and tries to convince him to get neutered. Meanwhile, Lois gets a pixie cut against Peter's wishes, so Peter retaliates by trying to out-embarrass her.

Carrie reconnects with an old ally. Tasneem seeks counsel. Saul finds hope.

The NCIS team investigates the murder of a Naval warfare engineer at a spoken poetry event. Also, Callen asks Nell to assist him in a worldwide search for Anna's whereabouts.

The team is concerned when Sebastian becomes unreachable while undercover as a new recruit.

Governor Tryon reminds Jamie of his obligation to hunt down and kill Murtagh Fitzgibbons.

Supergirl helps Winn face his greatest fear. After Alex sets out to find evidence against Lex, Brainy must decide between helping his friend or continuing to secretly work for Lex.

Marge recruits Chrissy Teigen and John Legend for an education-based proposal.

Freddie and Chris tackle the toughest off-road race on the planet: The brutal Baja 1000. Out on track, there’s a showdown between a Renault hot hatch, a Porsche sports car… and an old Lamborghini. Laurence and Emilia Fox are the studio guests.