What time is Castle on?

Castle is on Great! Mystery +1 at 12:10pm on Tuesday, 23 December 2025.

What channel is Castle on?

Castle airs on Great! Mystery +1.

Is this programme available on catch-up?

Most UK programmes are available on catch-up services after broadcast. Check your channel's catch-up service for availability.

What channel number is Castle on?

Castle is on Sky HD channel 718 and Sky channel 322.

This appears to be a new or first-run broadcast of Castle.

What time does Castle start and end?

Castle starts at 12:10pm and ends at 1:10pm on Tuesday, 23 December 2025.

This program has ended

This program has already aired.

Castle

Name: Castle
Released: 2025-12-23 12:10:00+00
Duration: 60 min

12:10pm to 1:10pm

Tuesday, 23 December 2025

Detective/Thriller

Duration

60 minutes

Series Info

Season 4 Episode 21 of 23

Quick Summary

The author shadows a violent homicide detective

About This Program

The author shadows violent homicide detective Ethan Slaughter while Beckett is busy preparing for a trial. Castle finds himself fascinated by his new partner's uncompromising approach while investigating what appears to be a gang-related killing - but Slaughter's heavy-handed methods put both their lives in danger. Guest starring Adam Baldwin

Castle broadcasts on Great! Mystery +1 at 12:10pm, Tuesday, 23 December 2025.

Channel Numbers:

Sky HD718Sky322