Ends 10.00.

Arthur
The kids wonder if the new girl in town is an alien spy, then a friend comes to stay.
(R) (S)

7.30 Xchange
The daily live magazine show returns for half-term week. Today, in a simulcast with the CBBC channel, new addition Vinnie the ferret becomes a newsreader at Zoosround. (S)

8.00 The Scooby, Scrappy and Yabba Doo Show
The gang star in a movie, Scooby goes on a date, and an escape artist gets loose. (R) (S)

8.25 Newsround
(S)

8.30 Blue Peter
Konnie Huq goes behind the scenes at Top of the Pops.
(Shown last Friday on BBC1) (S)

9.00 Legacy of the Silver Shadow
7/13. Gretel's friend blackmails her way into the team.
(S)

9.25 Looney Tunes
A double bill of animated madness.
(R) (S)

9.35 Teenage Mutant Hero Turtles
The Turtles discover a lost prehistoric world.
(R) (S)